Ok....well I know I just posted this and I should've posted it sooner, but I decided to go ahead and bottle this batch.
There was a good amount of sediment on the bottom of secondary.
Yes, the espresso was top notch. Stumptown Hairbender Espresso.
If you know Portland, you know about Stumptown.
I'd still like to hear some other thoughts on the root of the problem though.