How fast is your flash?
It's languished for a while, but Rob Galbraith's extremely useful and detailed database of performance tests on CompactFlash and SD media has just been updated. If you've got burning questions about whether it's worth the extra bucks for a flashier flash card, this is the place to look. Recent additions include tests with the Canon EOS 40D and Nikon D300.
Senior Editor Lori Grunin has been covering digital imaging for two decades, but her memory's kind of sketchy on the details. You can hear about it every week on Indecent Exposure, the podcast she co-hosts with Matt Fitzgerald. 