I have have had a pair of VTL MB 185 sig's for several years. I also have a CJ solid state 2300A. The 185's are wonderful in triode with a reasonable load. They are not capable or intended for difficult loads and inefficient speakers. For that you need the VTL 450. The CJ solid state is an excellent amplifier for difficult loads. I have no experience with the Premier 12.
VTL's of recent vintage are very reliable, the early models less so.
VTL's of recent vintage are very reliable, the early models less so.