Here's one about the iMac (without a floppy drive).
http://www.giantmike.com/pics/nofloppy.gif
Classic FoxTrot...
Edit: Here's the link to the main paige with all of the FoxTrot comics with Apple (or iFruit..haha) references.
http://www.giantmike.com/ifruit.html
(Caution: There's a lot of them. More than you'd think)