The Live Arcade steals another game from the Virtual Console this week - ECCO the Dolphin. And just like the other Sega classic releases the Live Arcade version is $3 US cheaper and comes with better features:

Gamers can also travel through time this Wednesday with "Ecco the Dolphin" (SEGA), a fun, whimsical update of the classic undersea exploration game featuring an online leaderboard that tracks "Best Time," and includes enhanced graphics and sound.

The other release this week is Hexic 2, a $10 US follow-up to the free Hexic. My 360 is still in the shop so I haven't played the demo but I'm not sure what they could have done to their gem-spinning puzzle game that would make me drop ten bucks instead of playing the free version.