I broke touchscreen on my Linx 810 by installing Win 8. Linx support have sent me recovery USB for free!
It took a while to get it arranged on their side but finally I got it with the post today and my tablet is back to normal today.
These guys are the best!
This recovery is for Linx 810 only. I've asked support if they are OK with me taking image of the disk and sharing with someone else (who might need it). If they would agree - I'll put it on dropbox somewhere.