Also, in addition to Octamed Sounstudio, there is a great PC tracker named Madtracker. This has the ability to play VST alongside normal samples in tracker mode. You can also load in XM's and Amiga mod files, so if you have the inclination to get more channels out of any old 4 track Amiga mods and work with VSt's then this works just fine and you can 'soup-up' those old Mod's!
Shame that it stopped development at V2.6, but this is one of the easiest and fun to use trackers on the PC and the interface is slightly less complex than Renoise.
I also look forward to Soundstudio V2 :-)
