Technology in the Fast Lane

Yup. You guessed it. I'm agonizing about whether and when to buy a tablet. And about which tablet to buy. And trying to restrain myself. Back in the early days of home computers there was a funny sales line: "Buy now before the price goes down again!"
These days the problem is that when I buy equipment I think that I'm buying equipment ...rather than something that'll be hopelessly out of date in a few years.