I'm a self confessed Trace bitch! I've tried lots of amps but still go back to my Gp12SMX's.
I do think it's worth pointing out that Trace amps, certainly the older SMX models, can produce a huge range of sounds. I've been to gigs where the bass sounds sh*te but I wouldn't blame the TE amp, I'd blame the player for setting it up that way. Even just the 2 pre shapes available are like chalk and cheese but once you switch those off and go for the graphic, the sound options are almost endless from the fantastic to the horrifically bad.