Anyone got any experience?

They seem to be cheaper than the average.....

Cheaper? Thats never a good sign.

I'm sure someone will be along to correct me if i'm wrong, but you tend to get what you pay for.

Cheaper as around £300 fitted, instead of £400-£500 that others are. Angel seem to offer the cheapest of the lot.....

You pay your money and take your chances with remaps. Personally I wouldn't scrimp on a few hundred quid on something that has the potential to f*** up my car.

Personally I would consider Revo, APR and then possibly Shark.

Shark have my vote.

DNA was recommended by Igotboost in Bridgend, who also fit REVO. From what I have read, and having spoken to a couple of guys at Shark, I'd prefer the latter. The DNA stage 1 is not as agressive as REVO apparently, which suits me fine, I'd be content with a cheaper, lower increase option, 220bhp is enough, and as only a 10% hike then perhaps not too painful from an insurance costs point of view (though I have not tested this theory yet)