Is Xbox Arcade good for someone who's a casual gamer?

I mostly play one game at a time so would XBox Arcade be good for me when it comes to memory size?Is Xbox Arcade good for someone who's a casual gamer?yes it would be the xbox live arcade takes up very little space on your hardrive or memory stick and the achievements are very easy. xbox live arcade just sticks with the old basics pacman,luxor,boom boom rocket they aren't very good quality games but are very addictive.Is Xbox Arcade good for someone who's a casual gamer?yes. i have one, but i ended up buying a 20gb hard drive, so i could have music on it. but you must understand, most regular xbox 360 games can be played on live, like cod, and its awesome