I found best psytance bassline coming from Virtual bassist...
http://www.steinbergcanada.com/produ...al_bassist.htm
You would suprice that theres so many artist around whos using this monster to create superb basslines for psytrance.
Better than virus ever, im sorry..
Use some EQ, URS BLT is ok, but waves parametriq Q4 works best.
You need to twist bass sound with eq, i cant remember what it was that term for do it now
Is it maby psychoacoustic?
Good luck.