Ahh thank you, but you presume incorrect. Actually, I was referring to get jewelisheaven the news That's quite a respectable speed hit if indeed you did re-factor code to get Undo working. I'm going in circles so I'll ask, I tried sifting through several pages of hits for the launch error I'm getting in WINE 1.1.5 of OS X (after using the guide made for uTorrent). Have you installed it before? It's not loading with "err:module:attach_process_dlls "gdi32.dll" failed to initialize, aborting" I've cleaned ~/.wine twice with both the .mpkg and .dmg . If I can't get this running with WINE, it certainly saves having to boot up VMWare Fusion. My main attempt is wanting to continue with some standard test files for benchmarking, similar to how uTorrent "works on as weak a system as Windows 95 on a 486 with 14MiB of RAM" I'd like to organize data to show that performance isn't as necessary. Surely http://media.xiph.org/ED/ or the 4200 torrent resume.dat are valid cases but for most people I think seeing an average 32000 piece torrent with 100 files load within X % whether you're running that old 486 or multi-core CPU is a positive commentary of your work.