I'm pretty sure if you want to run 29 x 2.4 tires you are going to limit yourself to 29er frames with a little extra rear clearance, Salsa and Surly spring to mind, Scott "regular" 29ers and the Lynskey MT29 most likely will not accomodate the 2.4 width (just to name a few), Most any 29er fork will clear that size. Now to address the 2.5 issue: Like I said, I'm no expert but you are looking at a special plus sized (29+) bike to get a 2.5 in there. You will need a little wider rim, too. Please post anything you find to prove me wrong, as I am also curious. What is "traditional touring geometry"?, 'cause I'm thinking anything that slopes like the Fuji is not very traditional to some of the old folks here.