Russell,
The Technics arm feels pretty good in hand, but probably falls short of the Rega RB-300. But, when you add that damping trough, you are kicking it up so many notches it may not matter
When I spoke to Kevin he mentioned, however, that the outboard power supply was an even more beneficial accessory than the damping trough. He may even be able to add 78 rpm playback within that power supply - just ask him. With AC synchronous mains supplies it is possible I think.
I like my recently purchased VPI HW-19 Mark III, but the rock solid images and better pitch of my $50 Direct Drive JVC (Panasonic / Technics long time sister company - in fact the power supply board has many Matsushita parts on it) is missed. I made a homebrew damping trough with 10,000 cst silicone and the benefit was substantial.
To equal even my $50 JVC, I think I'll need to add another $800+ to the equation to get it as good in those areas.