My reason for buying one is that I'm now running into situations where some IC's that I need to use are only available in packages that have no side access to the leads. For the others I would continue to use the drag soldering method. I agree that the high cost and short life of solder paste would prevent me from using the hot air method any more than I absolutely have to.
JimB, I think my usage will be similar to yours, so I'll take your comments as a recommendation.
Given the low price and free shipping, I'm not taking much of a risk, so I think I'll buy it.
Thanks everyone for the comments.