We bought an alfa from them, that was miantained by them from new....it looks like they never even changed the oil! (was black sludge when i took it out, despite it just having had "a full service") and when we requested that they put two new tyres on as part of the 10k purchase, they said "no problem" ...and swapped the wheels off of another 159
there is more than that as well, i created a thread about it pretty much as soon as we bought it...
in a nut shell, a 75k £5.5k 159 (mine in silver) which had no service history apart from some stamps was in MUCH better running order (quieter, smoother, faster) than a 27k £10k 159 (mums in red) which had "all the bells and whistles" from Veloces themselves...and now mines had the BG treatment and a remap, it makes the red one feel like my old mk1 punto!
other local mechanics ive spoken to about them (i live very close to them) have said, as soon as ive mentioned them, that they used to be very good, owned by a very good guy, but not so any more... apparently the guy who used to run the show opened up shop somewhere else
that said, people on here seem to have had a pleasant experience selling to them