An HD remake for Shadow of the Colossus and ICO seems almost garunteed at this point. Signs have been popping up all over, and now a retail listing for the title has appeared at Walmart.com.
The title is listed for $39.82, around the same price as the God of War Collection HD remake on PS3. The title is even available for preorder, although the listed 4/1/11 date is most likely a place holder.
If we were to hear about it any time soon, Tokyo Game Show would probably be the place to show it. I’ve never particularly liked ICO, but a HD rerelease of Shadow of the Colossus may be worth the forty dollar price point alone.