Rik said:
Don't touch the SMO... find something that's more practical.
I have 2 of them, both with hookworms, yet my bike is still lighter than my mates stock One25.
They feel a tad heavy when you first get them, but it takes you about a week, if that, to get used to them.
I can still bunnyhop, bunnyhop - manual as high or maybe even a little bit higher than I could with out them.
They are a really tough rim, when I first got the hookworms and was messing around with different tire pressures, I rimmed out quite a few times, on the edge of metal lips (not coping) on a funbox at my skatepark and there is no evidence at all of a flat spot.
I don't want to get rid of them.