Obviously you've run Safe Mode full scans with your anti-virus app, with system restore turned off? There is no point in tranferring files if you're not sure they're malware free.
That done then you can transfer over your home network - not all at once though; it doesn't like huge numbers of small files being transferred.
Or this: http://www.qvcuk.com/ukqic/qvcapp.aspx/ ... .UKEL~UK16
Or a 16GB pen drive. They're not that dear and can be used for other things afterwards.