Well, here's my opinion since I've used the XL-1S, XL2 and DVX.
Since you live in the UK, even an older XL-1S is a good option. At 25fps, with it's "fake" movie mode progressive scan, it can be just as cinematic as 24p on XL2/DVX. No one can tell the difference between 25fps and 24fps.
Since...