Any members here have a 2.8TD with a chip?

Thinking of buying one with tax money but I want to be assured I'll feel the benefits. Read a lot of people saying different things about the different brands. At this stage, DPCHIP are looking the goods with many different settings, a 30 day money back guarantee and a 5year warranty.

So, anyone 2.8 owners with experience? Did you get a dyno and if so, what power did it make on which setting? (if applicable)

cheers