Ive got a Team Associated NTC3+.
As for tips, rcgroups or msuk forum is pretty good, and HPI videos on their website or youtube.
If it cuts out on full throttle, it does sound like its running too rich, therefore it'll bog down and stall. You usually have two needles that you can adjust, one for low speed and one for high speed. Low speed works on half throttle, high speed works on full throttle.
I hardly use mine anymore, there is nowhere local to run it. Car parks are not big enough to get up to full speed, and they usually don't like you dumping your nitro juice all over the place nor do they like the noise.