Cheers Kevin, I've just bought the marker you recommended. I'll let you know how I get on once I've received it.http://p8ntballer-forums.com/threads/£325-for-ego-10-dye-rotor-£70.162459/#post-1477527
Here's a good example of the sort of marker out there for £350 or under! (I have no connection ith the seller, but that is a stone cold bargain!)