i do get a small thin line on the left third of the screen, but that’s only when viewing with the xbox, its fine with the PC, i think its just a really old monitor.
btw had a quick look on amazon, and i think this is perfect
http://www.amazon.co.uk/Xbox-360-Switch-Rgbhv-Audio/dp/B000ZBHXZ4/ref=sr_1_2?ie=UTF8&s=electronics&qid=1213625875&sr=1-2