WapReview does a great job of searching for mobile friendly sites (primarily WAP sites for mobile phone browsers, but also useful in smartphone browsers).
The latest installment includes a new CBS Sportsline
site which has "a new and very attractive site design. The old site was text only, the new one has images resized to browser widths and flashy image gradients. Content's not bad either."
Check out some more mobile sites in their latest post at
next installment.