The euro car parts ones have the surcharge included in the price, you will get this refunded when you return your old calliper 
Kyle!
Cheers Kyle, even with the surcharge refunded and the 30% off they are doing the VW Spares option is still cheaper!

Go for the TRW one it is a new caliper, I used one on mine all ok.
Glad to hear it, that's what I'll do.