So Ive found what seems to be the best caps replacement website:
http://members.optusnet.com.au/evilt.../ggrepair.html
But I dont know where to buy the capacitors.
This would have been perfect, but its out of stock:
http://www.rewind-bits.co.uk/game-ge...r-fix-kit.html
They also used to be on ebay, now nowhere to be seen.
As I live in the UK our electronics shops are useless the closest we have is maplin, but all they sell are hard drives and toys recently.
TLDR: Live in England, where to buy replacement Game Gear Capacitors (Full Set)