I've recently bought the GTB 09 and returned the Pista 09 'cuz i think the GT actually felt better on the ride. Yes, I know its aluminum and Taiwanese, but, the Pista just sucks (poorly crafted for 08/09) and the price went from $600 ('08) to $749('09).

As for the parts.... it's an entry level track bike built for the masses. You get what you pay for.
Either way, the GTB is now my back-up bad weather bike...... my $0.02.

Your better choice is the Surly Steamroller!