I never bought empties, but at one time I had over 20 cases of bottles. Most of them were Sammies, some were Wachusetts, some were Mayflower, DFH, Magic Hat, Mad River, etc, etc. All the same long neck style 12 ouncers. When I switched to kegging I gave most of them away to folks just getting started in home brewing. Still have about 8 cases of cleaned/sanitized bottles (though for the life of me I can't say why )
Anyway, they are exactly the same bottles my LHBS sells for $15 a case.