Does anyone know what the actual geometry is on these bikes? I see some dimensions posted on the GF website, but no mention of some of the basics, like head/seat angles, chainstay length, etc. From what I have seen of these bikes, and from a couple of test rides, they simply have a long top tube, and maybe a steeper head angle.

I ride a Trek with a TT of 23", and the GF in my size [Ferrous] runs 23.9" but with a stem that's 20mm shorter than mine. This amounts to a 3mm more forward position on the GF. The wheelbase is ~13mm longer on the GF. Other than a shorter stem + longer TT, there's not much that can be too different from standard geometry vs. Genesis. If the bikes had dramatically shorter chainstays, that would move the rear wheel below the rider's CG, but then there would be clearance issues. They could always slacken the seat tube angle to put the rider's weight farther back, but that would mean changing the head angle in a similar fashion, which could make handling a little more sluggish.

Overall, I'd say the Genesis Geometry isn't revolutionary at all, it's just a longer bike. If it works for you, great. It seems very similar to the way GT used to design their frames in the late 90's. You would get a similar ride today on a Rocky Mountain, especially a Blizzard.