I'm on T-Mobile Flext 35 with Web n Walk, & at the moment I've got a Sidekick 3.Karizma, theres honestly not much difference between the 3 & LX, apart from the LX is more streamlined & got different kinda buttons, I think they're sorta rubber material, the same as the Sidekick 2. Plus I think the LX is only available in the US anyway, the UK's stuck with that boog Slide thing...