For plane boffins who like researching their in-flight seats before they travel turn to Seat Guru. Its detailed seat map graphics are a useful reference advising you where the loos, powerpoints and nearest exits are from your seat. Also handy for comparing different airlines seat widths from cattles class to business first, all the info at the click of a button!
Below is a Seat Guru map of the Qantas A380, the newest aircraft on the market that had its inaugural flight earlier this year. Its creative director Marc Newson has made sure their first class seats or "suites" are a whopping 29" wide so no need to worry if you've gained a little weight recently - you'll definitely fit.