The Responsinator by @tamapugsley & @andyhovey. Hold up, WTF is this?

iPhone 3+4 portrait 320 x 480
iPhone 3+4 landscape 480 x 320
iPhone 5 portrait 320 x 568
iPhone 5 landscape 568 x 320
Crappy Android portrait 240 x 320
Crappy Android landscape 320 x 240
Android (Samsung Galaxy) portrait 380 by 685 (equivalent desktop resolution)
Android (Samsung Galaxy) landscape 685 by 380 (equivalent desktop resolution)
iPad portrait 768 x 1024
iPad landscape 1024 x 768
Kindle portrait 600 x 1024
Kindle landscape 1024 x 600