Feanor and Gimli...

[Lobelia]

Originally Posted by Frodo Baggins

Well, it could be that Galadriel became more wise, or she could have seen Gimli's humility compared with Feanor's rash pride and lust. She may have been more willing to give her hair to one so humble instead of one so proud.

True. Or it might just be because Feanor was *weird*! He was not just proud, the man (Elf) was obsessed! Personally, I think it shows Galadriel's good taste!