I thought if it's all in one place that might help. please feel free to add things and i will edit the main post. thanks for the help.
http://www.goldenmotor.com -motor/controlers/brushless motors
http://www.uneeksupply.com -breakers for scooters
http://www.scootercatalog.com/scooterparts.html -scooter parts (although the general concensus is these people are not that reliable and may screw your order up, but hey, they have parts)
http://www.kellycontroller.com/throttle ... p-212.html or http://cgi.ebay.com/New-Throttle-Hall-0 ... 1c1119a425 -0-5V Twist Throttle, Not Magura
http://myworld.ebay.com/tncscooters -tncscooters on ebay
http://www.tncscooters.com -scooter parts
http://www.electricscooterparts.com -scooter parts
http://www.virtualvillage.co.uk - they offer very cheap parts, and even though they already sell most of them on ebay, if you go directly to them then the postage is cheaper.
http://www.coleco.freeservers.com/scooterparts.htm - this website has the cheapest postage to the UK out of all the other US websites that i can find, and the parts are quite reasonably priced as well.
http://www.monsterscooterparts.com/trsc.html - a good source for parts, but their postage to the UK is about £20
http://www.partsforscooters.com/Mini-ga ... oter-parts - another good source for parts, but the postage to the UK is about £17
http://www.davesmotors.com/s.nl/c.88503 ... y.27854/.f
http://www.scooterparts4less.com/web_ga ... _5m_15.htm -scooter belts
http://rebelgears.com/ custom gears/sprockets
Speed, Distance, Torque... Pick any 2