Krensky
First Post
Well, to play the "try my favorite game" game, I'd recommend Pathfinder or FantasyCraft. 
To answer the question though:
If you're completely new to the tabletop, you may not be in the best position to decide on a game for all time. However, based on what you said, D&D 4e will preform admirably, for most fantasy. It's fairly simple to play and run, with a decent amount of complexity under the hood. It doesn't allow the gonzo example you gave in a full blown sense, and I don't think there is a Necromancer class at the moment, so 3.X or a derivative might serve better. You should spend some time trolling (in the fishing sense) DriveThruRPG/RPGNow, e23, YourGamesNow, and Indie Press Revolution for free and cheap quick-starts, demos, and core books to get a better sense for what's out there. I know Exalted 2e, GURPS 4e, and Castles & Crusades have introductory adventure/rulesets, I think Green Ronin has Tru20 and M&M2 quick-starts.
I'm assuming western medieval fantasy is your desired genre at the moment, if this isn't the case, you should speak up now. Also, a little background on you and your friends and what led you to the hobby and what you want out of it may help us avoid pitfalls.

To answer the question though:
If you're completely new to the tabletop, you may not be in the best position to decide on a game for all time. However, based on what you said, D&D 4e will preform admirably, for most fantasy. It's fairly simple to play and run, with a decent amount of complexity under the hood. It doesn't allow the gonzo example you gave in a full blown sense, and I don't think there is a Necromancer class at the moment, so 3.X or a derivative might serve better. You should spend some time trolling (in the fishing sense) DriveThruRPG/RPGNow, e23, YourGamesNow, and Indie Press Revolution for free and cheap quick-starts, demos, and core books to get a better sense for what's out there. I know Exalted 2e, GURPS 4e, and Castles & Crusades have introductory adventure/rulesets, I think Green Ronin has Tru20 and M&M2 quick-starts.
I'm assuming western medieval fantasy is your desired genre at the moment, if this isn't the case, you should speak up now. Also, a little background on you and your friends and what led you to the hobby and what you want out of it may help us avoid pitfalls.
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