> Of course the proliferation of mini and micro SD cards has lessened the effectiveness of this plan...
Not really, it might be hastening it. You can get housings for mini and micro cards that work with full size SD slots, and USB housings that convert the smaller cards into a plug-in drive. I wouldn't be surprised if there's one out there that does both.
Of course the proliferation of mini and micro SD cards has lessened the effectiveness of this plan...