This is Bonus Cat, who has a great story. In the words of the owner, ignignokt: "Formerly homeless Boston Garbage Cat. Now cleaned up, not eating garbage."
Re: the matching MacBook: "Banged up polycarbonate black MacBook I bought to stand in for my stolen MBP. It didn't have a working battery. (And the battery had swollen, pressuring the case and making the original owner think the trackpad wasn't working.) I tried to live without one, but recently broke down and bought one. So now it looks like Bonus Cat!"
Yay Bonus Cat!
Pandora, looking very warm and stately as she paws a white MacBook, via brownpau. Perfect first cat for a snow-covered day like today!
Sagan browses the Internet—and finds that there are other cats there! (Note the tiny white kitty on the desktop.) Via sallysallyandsagan.
And here she is, folks, the kitty that inspired it all, Baby (a.k.a. Baby the Junior Puma—she's grown a lot since this photo was taken), perched atop a lime iMac. Via Bryan A. Hollerbach.
Kitty bonanza! Two kitties—Casper and Sunny—for the price of one, via k1mothy.