I was EXTREMELY surprised, in the best possible way, by this one from @Dr Bonkers :


Surprised because it's a full-size pack for all of $0.99, and to my ears they totally hold their own against Ownhammer, God's Cab, Kazrog, and others. Very curious to try some of their other IR packs.

(Full disclosure: I have no affiliation with Dr. Bonkers whatsoever, apart from enjoying the hell out of their IRs.)