dont know if anyone hear finds any of this stuff i post about this subject usefull but here's another free vst instrument for your software.
its called triangle II. its a mono virtual vst synthesizer. requires some tweaking but if you like that old dr dre type g-funk synth i find you can come pretty close with this thing.
http://www.rgcaudio.com/triangle_II.htmits got some very good bass presets also.