That tablets are beginning to supplant the bog-standard PCs in some people’s lives shouldn’t come as a surprise, but what about outside of the home? Tablets are in some ways better suited to certain situations where managing PCs can be a real hassle.Dan Frommer ran into such a situation not long ago – while at JFK International Airport, Fromm found himself relaxing at the MasterCard Lounge surrounded by a handful of iPads intended for guest use.