So far things it won't do but that's okay because I've never used Android:
- Multi-touch pinching to zoom in and out.
- Make a call.
- Take a call (hey, it is a phone primarily, right?)
- Download music from my computer to the memory card.
- Use the music player.
- Use the FM radio player.
- Use my Gmail.
- Use Twitter.
- Use Facebook.
- Use the camera.
- Check the news and weather.
- Use Google Reader.
- Google Sky Maps (although drat, it's cloudy)
- Advanced Task Killer
- Amazon Kindle
- Antivirus Free
- Barcode Scanner
- OnTrack (Diabetes monitoring)
- Google Reader
- Plus a battery consumption widget
It already came with most basic applications like Facebook, Twitter, YouTube, Weather/News, etc.
The phone is tiny, good for my hands, but still easy for me to read what's on the screen (thank the Gods for bifocals, I guess). I've learned to use the Swype keyboard pretty easily, although let me tell you, going through the tutorial on the bus was fun, with the bumps. :) It will change orientation from portrait to landscape, has a GPS, etc. The main drawbacks are no flash for the camera, no pinching zoom (you can tap twice, though, or use the zoom buttons on the display). Since I'm going from a feature phone to my first Android, I don't find those particularly annoying. It's certainly not fast, but I found mine more responsive than in the review videos. The phone was free with contract, $125 without, so for an Android 2.2 system, I think that's great.