Amon Tobin.....and alot of it.
Also Finished Symphony, by Hybrid, which I'm listening to right now (and an absolute masterpiece in either orchestral or electro form - both solely by Hybrid) is featured in TG - where Jezza is in the Veyron (racing against the flying washing machine), saying how good a car is, and driving into the sunset.
The remixed versions aren't bad either.
TG have also used Prodigy (namely tracks from "Always outnumbered, never outgunned") and in the 13th seires I noticed a bit of Justice (Album: Cross)
Yeah - I've been hunting down TG tracks for sometime as well.