I have both a set Cornwell and Facom wrenches; both are very high quality and either way you cannot go wrong between the two. Cornwell's wrenches have very thick handles which makes them super comfortable especially when you have to apply allot of force. The Facom set I have (440) also has a very thick handle and is very nicely rounded which makes it slightly more comfortable than the Cornwell. The 440 wrenches also have a larger angle of movement thanks to the offset beam and tapered ends (similar to Stalwhile's profile.) If I had to decide between the two I would reach for my Facom set before the Cornwells. Though like I said, you cant go wrong with each set.
If your interested in the Cornwell sets, QuattroJon (a member here) is a Cornwell truck dealer based in the UK. I have bought pliers from him and he shipped them to me, and can attest to his professionalism and courtesy, Jon is a stand up person!
I don't know about europe but I'm guessing it ain't much better there.