Just came across this page, Five 5 Gallon Soda Keg Tank Corny Ball Lock Stainless
they seem to be a little cheaper than most, but you don't get cleaned kegs and no new seals. But at $23/each here is another option if you're sick of the high prices you've been seeing.
Yep. I bought some kegs from these guys a while back when they were $17.99 a piece... those were the days! Still a great deal, especially if you stock up on bulk replacement o-rings from McMaster-Carr...
Primary: Delicious Beer
Secondary: Delicious Beer, Delicious Cider
Kegeratin': Delicious Draft Beer
Bottled: Delicious Bottled Beer and Cider