Trying to do a midi bass

[Jaekae]

Im trying to get as close as possible to a real bass using trilian, and wondering if anyone else tried this and got any advice on what to do etc? Now im running trilian midi DIs into a bass amp vst

https://dl.dropbox.com/u/1610178/muppeluppenuppedupp.mp3

i made the drums in 5 mins so dont focus on those

Does the bass sound super fake?