Bought it at launch....play it at least once a week.

I have noticed that the user levels are getting better every time I log on.

Although I understand that most people don't use the create mode in LBP (It is too daunting or they don't enjoy it), I recently started playing LBP again after seeing a few advance tutorials online that teaches you how to make neon lights, vehicles, flipping blocks, and even mouse cursors. Once you've played around with it a bit you start learning how to do things, the various hack methods with magnetic keys (its very brute force).

and believe me when you first start its not all that fun. it takes several days before the creation starts to sink in

Knowledge is power. And Power is addictive. Learning more opens up more ways to create new contraptions or platforming mechanisms, etc.

I think the most fun you could possibly have in any game is if you had 2 players that were equally skilled at creating levels. And if you both agree to work on an epic project.

When friends are over I play it, alone maybe once every two weeks. That is until I get the MGS DLC pack.