TBH its your choice. What to be bared in mind is contained in the link and what happened to flameboy.
http://forums.sv650.org/showthread.php?t=150503
Your insurance will be for 33 brake so if you have an accident you may not be covered if the insurance find it not resricted.
If your Newcastle lad I think i know who will have said that, but will not name (I'll let you say which school it was).
Welcome to the org btw. The Pennines massive is where most of us hide