In a press release today that was mostly about the App Store for the Macintosh, Apple also gave salient figures for iOS: over 500,000 apps avialble, over 18 billion total downloads, and over 1 billion apps being downloaded per month. Of course, with all those apps it's a challenge to find the ones that meet your needs. Check out the iPhone Apps Starter Kit, which gives you a good basic selection of apps to check out.