Amp'd gets mobile content and mucho cash from MTV

It's a big day for

Amp'd and all, what with this being their planned launch day, but they've got some even better news: a $50 million investment by MTV, meaning they might be around for day two. MTV is also going to be offering up some content for the fledgling MVNO's network, alongside their Viacom counterparts CBS and UPN. With all this Viacom coziness it seems there might be even more partnerships to come, such as VH1, BET, Comedy Central, or the official cable channel of the Engadget HQ: CMT. This would be in addition to their current Fox and ESPN offerings, which once rolled up into a nice little ball with their other items for the young-ish crowd, such as 99 cent music downloads, makes the Amp'd offering one to check fo sho.