Bloated 17-inch MacBook Pro battery -- take 2
Gallery: Bloated 17-inch MacBook Pro battery -- take 2 | 9 Photos
Note: pictures are right-left inverted since they were taken with MBP webcam.
Update: Need more evidence? Check the bloated 17-inch MBP battery pics harvested from comments: Spain and Disko and Frank and Matt W and Max K and Brandon S and Casper and Adam and Antii. Last but not least, several threads on Apple's own support forum.