I know a lot of people like to bitch about how many sequels are out there and how few new games there are. But i think a lot of people don't seem to realize that games, unlike movies, tradtionally do get better with the sequels. I'm not saying we don't need new content, i'm just saying don't hate on sequels.

The problem is quality not quanity. Bad sequels being pumped out to fast are the problem.

Look at all these game series where the sequel is better then the original. It's really quite amazing.

Mario - SMB3
Sonic - Sonic 2 or Sonic CD
Streetfighter - Street FIghter 2 Turbo
Resident Evil - Take your pick
Silent Hill - Silent Hill 2
Devil May Cry - DMC3
Metal Gear/Solid - MGS3 (althought it's tough to say if it's better then plain old MGS)
Dead or Alive - DOA 2 Ultimate
Virtua Fighter - VF4 EVO
Tekken - Tekken 3
The Legend of Zelda - Ocarina of TIme or A Link to the Past
Splinter Cell - SC: Chaos Theory
GTA - GTA:VC (my opinion. i know most people think GTA:SA is the best)
Grand Turismo - GT3 or GT4
Metroid - Super Metroid
Need for Speed - Take your pick but i like ND4SPD: Hot Pursuit
Ninja Gaiden - Ninja Gaiden 2
Teenage Mutant Ninja Turtles - TMNT: The Arcade Game
Half-Life - HL2
Quake - Quake 2
Mortal Kombat - MK2
Final Fantasy - Many good choices
Dragon Quest - Also many good choices

The list goes on. Feel free to toss out and other series where the sequel excelled.