Having heard neither a VTF-2 nor a PB10, and basing my opinions entirely on mvg-published specs & internet gossip, I would definitely go with the PB10


M60ti, VP180, QS8, M2ti, EP500, PC-Plus 20-39
M5HP, M40ti, Sierra-1
LFR1100 active, ADA1500-4 and -8