Galaxy S4 CM-10.1 Nightlies
I just finished the initial bringup of the T-Mobile Galaxy S4 (SGH-M919). We'll port to other variants when we get the devices (including the I9505). The first nightlies will go off tonight. There are a few rough edges still, but will be ironed out in short order and you should be able to use it as your daily driver without serious issues.
The touchscreen on this device should support Android's hover events. I'm looking forward to see what the community can come up with using this new feature!
Compile/fork/install, contribute back, and enjoy :)