Fanart Focus: HD Remix Series
DeviantArt user Modusprodukt has created a few HD scenes from scenes from classic SEGA games. Some are really spectacular like this Streets of Rage HD mural piece:
Streets of Rage HD by ~modusprodukt on deviantART
The piece that did however, draw me to his work and page in general was a HD piece based off of a Shining Force in-combat pose.
Shining Force HD by ~modusprodukt on deviantART
These pieces make really good wallpapers for your computers and the like, and if you want to see more of Modusprodukt’s work, you can follow the link.