We'll see what Nikon & Sony launch at PMA & of course we have yet to see results from any of them.interesting camera
don't think it's competing with the 40D but it does up the ante in the entry level market against sony and nikon
400D still continues & will go against the new Sony A200 & whatever Nikon will have as bottom of the range (D40X perhaps?).
450D will presumably go against the new Sony A300/A350 (or whatever it will be called) with (tiltable) live view & perhaps a new Nikon with live view.