We just put together a Superb Solitaire bundle on Steam.
If you own either Regency Solitaire or Shadowhand you can get the other game 25% off!
http://store.steampowered.com/bundle/6129/Superb_Solitaire/
Shadowhand is a prequel to Regency Solitaire set in 1770. It's a strategic RPG card game in which you duel powerful enemies in 18th Century England with unique solitaire-style turn-based combat. Equip your character strategically to sneak, slice and blast through foes!