[QUOTE] Obviously, 'four-thirds' may turn out to be a lame duck, like APS.[/QUOTE] *ding* The EF and DX standards already have *years* of history behind them, there's a proven market, and huge saturation. 4/3 offers no functional improvements, the lenses are no cheaper, and the choice is limited. Sounds a bit like HD-DVD, IYAM.