All the outputs are active and the Premiere has component that you can connect to Sling. It will output the same content to all the HDMI/Component/composite, not different video to each.
Original S1 (Recycle Heaven)
Series 2 (PLS, sold)
TiVo HD (XL, PLS, "652")
Juliet Basic (4XL, PLS)
The TiVo Apocalypse begins on Sat 2013 Feb 16 00:00 GMT!