Well: whether it's OT or not depends whether you think human perception (as it applies to readin) has any relavence to photography / imaging. Personally I think there is a link: Reading photographs is not just scanning the pixels as if we were dumb machines ... Aoccdrnig to a rscheearch at Cmabrigde Uinervtisy, it deosn't mttaer in waht oredr the ltteers in a wrod are, the olny iprmoetnt tihng is taht the frist and lsat ltteer be at the rghit pclae. The rset can be a toatl mses and you can sitll raed it wouthit porbelm. Tihs is bcuseae the huamn mnid deos not raed ervey lteter by istlef, but the wrod as a wlohe. There is a page dicussing this meme at: http://www.mrc-cbu.cam.ac.uk/~matt.davis/Cmabrigde/ Bob