As you probably have seen
somewhere else, FrontRow has escaped from the new G5 iMac and is now frolicking shamelessly with PowerBooks and Mac Minis. You just need some geek magic and it will work fine... it still requires to bypass the IR sensor check, which makes it sort of illegal, or at least dodgy.
[moose: Actually, what makes it dodgy is using FrontRow on another machine than the one it shipped with....]
And since FrontRow accepts keyboard commands, you can configure Romeo or Salling Clicker to use your cellphone as a bluetooth remote (no need to aim at the iMac as with the IR remote).
Playing DVDs is not working perfectly, since you have to quit FrontRow for that, which leads us to think that the DVD Player shipping with the new iMac must be different than the Tiger one.
Does Apple plan to sell/give FrontRow as a standalone app? Not so sure, since the new PowerMacs and PowerBooks do not include it.
Stay tuned for Apple's backlash.