VCheeZ - Start up a ticket with us at firstname.lastname@example.org. Be sure to list out everything you have tried so far to get Deskscapes running so far and we will help you dig out the cause of this for you. My apologies for the trouble so far. We look forward to helping you out!
Ok, e-mail sent. Ticket number for future reference:GAM-976140 Thanks for your help in this matter. I hope this leads to a solution that can help others too.
PS. Installing a GTX 260 tomorrow. I don't believe this to be driver-related, but I will repost if it makes any diff!
UPDATE: No change in the situation with new card and drivers, so there is one possability down!