What's the reapplication process like? Do you need to have done something exceptional from the time of the previous one's expiry to warrant an extension?
I've never done an extension, just a transfer. It was pretty routine; you just file the application again just like the first time. Not much of a difference; other than the previous approval making your chances of getting approved once more significantly higher.
The first time, I had to get a new visa stamp (which required going back to my home country to get it from the U.S. embassy); the second time I kept the same visa stamp and a little piece of paper in my passport showing the transfer. It's mostly useful as a reference of the case number when I get asked about my employer (which is different than the one shown on the visa stamp) when I travel back to the US from a trip abroad.
