I brought a 10" netbook with an SD reader built in. Was great for a few months, then I decided to upgrade from my 550D to a 7D which uses CF, but still had the 550D as backup so I could still use the netbook with the SD. Then I gave the 550D to the wife and upgraded to a 5DMkII which is also CF. Now the netbook hasn't been turned on for over a month. Ho hum! Worked great with my 550D and SD though, and tucked into my camera bag easily too.