After going hands-on with the LG Viper at CES during the stylish-yet-dark Sprint party, we just had to get our hands back on one of these devices to check it out a second time.
The booth rep here reiterates a good point -- you're not actually looking at a final device here. Don't expect a real change in the hardware, of course, and the software's going to be pretty vanilla with stock Gingerbread and Sprint ID. But that's why the CES hands-ons with the Viper have been superficial at best.
Anyhoo, check it out, and stay tuned for pricing and availability information.