The XlTi is a damn good knife and it should be a flagship model, not in danger of being discontinued.
The handle alone makes it preferable to the bulk of the "tactical folders", even though many cost five times as much. It provides good solid retention and it's thick enough to be comfortable for extended use, but thin enough to fit comfortably in you pocket.
The steel seems to be the bottleneck in the design. An upgrade to BG42 would certainly be cool.
As I have mentioned before, I'd like them to straighten out the convex clip, like on a Reeve Project 2, add a lanyard hole, get some new coating on the black version(how about Buckcote?), and add a thumbstud mounted well towards the base of the blade so it isn't in the way while slicing.
Put a fob in that lanyard hole and stick the knife in the 5th pocket on your Levi's, and you've got a pretty slick rig. You could even fix the thumbstud to open as you pulled it out by the fob by catching it on your belt.
I hate pocket clips because they invariably give me blisters during extended use.
Anyway, as EVERBODY knows, I'm a big fan of this particular design and it will be sorely missed by me.
I've tossed a few e-mails back and forth with Buck, and the gist of it was that there's a chance for salvation if everybody starts e-mailing, snail mailing, phone calling, and otherwise expressing intrest, so do so!