I upgraded from Version 2. The upgrade was worth it for the OceanWay rooms alone. Love the guitar amps (I run Rhodes through Showtime 64 and adjust to get a little bite). I am experimenting with the SSL channel strip and I use the LA2A, Distressor, Lexicon 224 and 1176 collection on everything. UAD SEV3 has influenced my mix process like nothing else before. They are filled with great presets, they don't crash and are always reliable. Honestly, I hardly use any of my other effects since going UAD.