Running Windows 7, 64 bit with a with a Creative Sound Blaster XFi Titanium Fatal1ty sound card. Playing a Yamaha WX5 plugged into a Yamaha VL70M which is plugged into AUX in connections on the front panel of the Sound Blaster.

I'm not a pro or anything like that, but just enjoy playing tunes on the WX with BIAB (just updated to 2011). I see references to software synths, etc but have no idea how to use them or if anything is better than the Creative program. Can anyone give me a quick (and simple) explanation of the VSC, etc and how to use them? Maybe a reference to a tutorial somewhere on how to install and use?