Thanks Jim I'll try those.
I'm just a little concerned that I'd send a whole bunch of XCO to my wallet, which obviously isn't showing up as being received as the wallet has never synched. Will the wallet ID be the same when I upgrade? I know want to lose my XCO as you can imagine.
Yes, you are fine don't worry. The wallet info is saved as a file in you %appdata% folder as wallet.dat . You can copy and paste it if you're worried.