If you're thinking of buying a new laptop this spring, my advice is to think again. Unless your laptop is on its last legs and you have to move quickly, there are compelling reasons to wait until at least the summer, and probably the fall, to buy a new machine, especially if you are looking for a Windows PC, but even if you are in the market for a Mac.

That makes this annual spring buyer's guide a bit different. People always worry that buying tech products today carries a risk of obsolescence. Most of the time, that fear...