I downloaded it. If anything, it has sure made my iPhone 3G seem to be much quicker in accessing different applications. Like lightning fast, compared to before.
Now, whether this has anything to do with 2.0.2, or not, I don't know, but, in my apartment, before the update, I had no "bars" on 3G. Now, I am getting 3 "bars", and when I go to maps, and use search, it finds my actual location, rather than the general area, while I'm inside my apartment. It never did that, while I was in my apartment, before the update!
As I mentioned in an earlier post, I haven't been having the issues that many others seem to have, with the exception of having lag when going into the contacts. That was corrected, for me, in 2.0.1. So, I have been lucky. I debated even downloading this latest update, for fear of actually causing problems that I didn't have. However, my iPhone 3G appears to be fine, and as I said, quicker.