20" Widescreen BenQ LCD and Xbox 360

[msi1337]

Just like this....have the BenQ FP202W LCD

and will be running my Xbox 360 to it via VGA cables... what resolution should I run?

also.. will I be able to play in 1080i if my lcd doesnt go up to 19290x1080?

I am sorry to say I know very little about HD... I just want the best possible picture on this LCD.

Thanks!
Jason