I also used original aum ecu, qpeng can go f**k themselves, £1000 for inferior management isnt worth it imo

I got rubjonny to do my loom and topher for all the ecu stuff (immob defeat, mapping, etc) all in all the whole management cost me £375, and same as kells I still have vagcom, mfa, and original mk3 clocks

people can rave about qpeng all they want but all you have to do is check the CGTI 1.8t forum to see how many ppl have problems with it
If you wanna give the wiring a go yourself check this out, its for a mk2 but has the same ce2 fusebox as a mk3
http://www.clubgti.com/forum/showthread.php?t=205887