My Dream Jeans (the WvG thread got me thinking about this) would be close to the SL-100, with a few peculiar additions for those of us who occasionally carry a holstered firearm yet do not dress like the typical NRA member with the beard, the gut, the trucker hat and the IQ deficit:
Heavily reinforced denim on the inside hips at high-wear areas (maybe also rear pockets and extra-strong/thick pocket bags, while we're at it.
A non-fading dark denim option (those hawt jawnz fadez may look cool with the kidz, but not when the fade starts to print the back-up semi-auto in a front pocket holster.
Crazy high waist-band: you're never going to wear them with a shirt tucked anyway, so nobody will know they have a grandad rise. The higher the rise, the higher your belt and the higher your belt, the higher the holster is under your shirt. Doing the little Playboy Bunny knee-bending dips gets old pretty quickly.