ok i hooked my 360 up to my 46 hd toshiba projection tv, it only does 1080i,
i have had it hooked to my 30 wide screen hd insignia tube tv it displays 720p 1080i, 420p
when hooked to the toshiba in 1080i it looks a lot better, not only games but the control panel, when the xbox boots and it shows the logo, on my insignia at 720p it isnt all that smooth, and words in white are blurry looking in the corners,
on the tohiba 1080i, the logo and letters are peerfect no rufnes at all, looks just like the cpu screen i am typingon now.
i will put back on my 30 insignia and recalibrate color picture etc, it is a new tv out of the box, and i will also see what it looks like if i display in 1080i on it...
but as of writing 1080i is looking better?
?
that insigna is native 1080i, id suggest running it at 1080i since its upconverting all signals to that anyway