Hitec is more expensive but it does 6amps vs Quattro's 5 amps. Both are 4 channel 50watts per channel chargers. The T6 is a single type charger 5amps max with 50watts. Its like one channel of the Quattro.
More discussion on the quad type chargers here -
http://www.rcgroups.com/forums/showt...hlight=quattro
There's not been a lot of feedback on the T6.