Great thread.
I've not shopped with OCUK in a long time, but often I look at the site for price comparison reasons. I have found that they can be very competitive with Scan in some SKUs and then way overpriced with others. Usually when they are cheaper it is not by a big margin but often where they are more expensive that difference is often bigger. I have seen how good their RMA process is though, someone I know had to send back a graphics card while it was still inside the 2 year warranty, they tested, arranged a replacement and had it delivered within 5 working days of getting the item, so it was all very efficient.