If you have a Motorola Q smartphone or are thinking about getting one, you'll want to watch this. Here's a demo of a Q running a TiVo from home via Slingbox. You can see the guy fast forwarding, rewinding, and doing most of the functions of the TiVo remote at home.
It looks like Verizon's EVDO connectivity can actually keep up, where the playback is reasonably watchable from what we could discern from this YouTube video. Take a look at the guy watching Saturday Night Live, full-screen, right there on his Motorola Q. Impressive. We're going to try this.
Qusers Tivo + Slingbox Demo on a Moto Q [Quser.com]