Its not a fad for me either, the TC rig I have is perfect for my needs. After a nasty bout of sciatica last year, the Trace rig had to go. The TC stuff I tried sounded great, albeit very different from the TE. The cabs are manageable weight and the amp is a breeze to carry to gigs.
As for volume, I just use the smaller 210 for rehearsals, which at times do get very loud, but the RH450 is never past 2/3rds.
When the amp is running both cabs, its easily loud enough.
Highly recommended.