I have the high intensity bullet, it's very buzzy. I've found that remoteless bullets have higher chances of being buzzy, which might be a good thing if you like that. But, I don't, I'd get the L'amour.
Crystal intensity. I say that because it gets fab reviews and I own the Speeding Bullets vibe and it's junk. I think the crystal bullet would be your best best. Probably the most intense too. Also it's lovely!