I just contacted an HVAC business here in town and they come across these older systems all of the time, but currently don't have any laying around. They took down my name and number and stated that they likely will come across something in the next week or two. I am in need of a quote for a hydronics system to heat my basement floors, so I killed two birds with one stone and they are coming out to quote a system as soon as I get back from vacation. I'm going to take your advice and call a few more places and maybe a couple of salvage yards. Thanks again!
I'll resume the project upon my return and plan on tackling the drywall/tile work in the brewery, as well as the keg conversions for the HERMS system when I get back. Just need to recharge my batteries and get the hell outta here! A week on the beach in the carribean should do the trick! 
Hopefully I'll hunt down the pulleys this week to run the mill. I have a few different HVAC guys looking for me around town. If not, I'll bite the bullet and run down to Grainger and pay their ridiculous price for the large pulley (12" pulley = $38 + tax). My gears were turning a bit while on vacation thinking about how to mount the motor under the cabinet, how to incorporate a tensioner for the pulley, how to incorporate the shroud to cover the pulley, and how to fabricate a larger hopper for feeding grains into. Now Ted (Gridlocked) has me thinking about building a grain box for the receiving end of the mill to catch a larger amount of grains for bigger beers......something that can hold a larger volume of grains than a 6 gallon bucket. I'm sure I can come up with something. Yes, I will be building a shroud over the pulley behind the mill once I get the rest of the materials to finish the mechanical portion of the build.
I've been running blow-outs from 9a-7p on Saturdays and Sundays and at least 3 every night after I leave the office. I've be pulling those from Friday the 5th and it "should" end on Sunday the 21st.
I'll trade you a sprinkler blowout for help with my kreezer.
Man, you got way too much time and money on your hands to build all this stuff.
Quit making us all look bad
I own my own businesses and work a lot of hours, so time is at a premium. What little spare time that I do get outside of work, kids activities, family time, etc., I devote to brewing and brewing related projects. It is my stress relief and helps me to keep my sanity. 
I have always been the type of person that has a hard time sitting idle and am in constant need of projects to keep me busy. Once I started homebrewing and realized the endless array of potential projects associated with advancing in the craft, it was a match made in heaven for me and I've went at it full bore. Yes, I do have the financial means to tackle these projects, but I am also very economical with how I proceed with them. I have no problem buying used equipment (grain mill, ss brewing table, ss prep. table, ss commercial sink, brewery fixtures, chest freezers, decommissioned sanke kegs, etc.), fabricating my own equipment, and anytime I can recycle old lumber or materials, I do. I rarely purchase anything brand new, so I'm able to complete these projects at a fraction of the cost. I'm like a bloodhound on CL, so if there is something I need for a brewing related project and it's out there, I'll find it. It doesn't take an unlimited supply of cash to build some really nice equipment, if you are ambitious and patient. 
I'm going to bite the bullet and order the pulleys, reducing sleeve, and belt from Grainger today so that I can move forward.....at total of around $60. With the exceptional price that I got on the mill ($60) and having recycled materials to build the cabinets and install hardward, I'll still only be $200 into the project when all is said and done.
They have over 300,000 products and from what I see are significantly cheaper than Grainger. They also have free shipping on orders over $50, otherwise their rates are very reasonable, as they only charged me $5 to ship my entire order. So far I'm impressed with their efficiency and as long as I receive delivery tomorrow, I will happily continue to use them over Grainger!
Anyone need a 2" pulley with a 1/2" bore? It was only $4.00, so it will be more a hastle trying to return it. I tried several different configurations, but eventually got pi$$ed off and went a different route. I decided to build a new hopper for the mill that will not only give me the clearance needed behind the mill, but will also give me more capacity and serve a a shroud to block the pulley. It's still a work in progress, but here's what I got done so far. I'm making the hopper removeable, so that I can still easily access the set screws for gap adjustments. 
The mill hopper is not the prettiest thing on the inside right now, but after I finish dressing up the outside with knotty pine paneling and trimming it out, I'm going to line the entire inside with some laminate hardwood flooring material. Again, I'm using up scrap pieces from the old entertainment center and just piecing the hopper together as I go. I have a couple of cases of the laminate flooring left over from when we built the house. I figure that it's brand new material and is a pre-finished laminate, so there should be no friction and the grain should slip right down the surface of the material. 
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