Dear All --
FYI, there is another nice, free, stand-alone, software, synthesizer here...
http://www.audio-simulation.com/...and it is called "DreamStation 1.0" and it is dirt simple to setup and sounds really nice (IMHO).
I just thought to mention it, in case anyone else is wondering.
It seems like this has very little, or no latency, at first check-- which may be due to its design, or the fact that I installed ASIO-4-All or something else, but it performs very nice, whatever the reason.
I may still go the hardware route, with something like the "PianoBox II" or similar.
HTH.
Thanks.
-- Mark Kamoski