Ahh, he has updated it now. Last I had heard he wasn't making Body Lift (BL) sliders for the 05+'s, but I guess since now there is a BL out and some people are buying it, it only makes sense.
And yes, the mounting brackets are different and welded on at the time of build. (at least this is how the 1st gens are). I know Jim asked awhile back on XOC if anyone would be interested in bolt on brackets to make non BL versions into BL versions. There was some interest, but I think the last Jim said on that subject that he was still thinking about it.
Bottom line.
If you are getting a BL and you want the sliders to hug the rocker panels, get the BL version (but remember you can not put them on until the BL is on).
If you are getting a BL and don't care there is a 2-3" space between the slider and the rocker (this does not effect it's protection) then get the standard version.
If you are getting a suspension lift and no body lift, then get the standard version of the sliders.