I kinda feel the same way. Over the course of about 2 months, I have obtained *at least* 30 samples (certainly more, but I don't feel like counting them) from varying sources. The thing is, I have slowed down on sampling because there have been a few that really make me smile. And I find it hard to tear myself away from them (okay *IT*), in order to sample other things.
I think it's kind of like buying a house. If you find the right one, you'll know it. Until then, have fun sampling!