Ok, I do not have my usual problem with this touch screen where my sweaty fingers would render it useless. This time I was actually able to slide around pretty easily. However, the fact that the screen is so small did cause a few browsing problems, both for the Internet and the phone itself. In using the Facebook app, you will find that updating your status or making a comment can be annoying if your status or comment is too long. It will push a part of your writing straight off the screen and so you cannot read over for mistakes or typos.
The phone has an 800 MHz CPU, so do not expect it to operate like your computer or most other expensive smartphones, but I find that it responds quickly enough to not be frustrating. In regards to the Internet speed, I was using high speed Wi-Fi, so I cannot comment on the network connection speed, but all in all I would say that it was ok.
The camera is good at 5 megapixels, but then again that is compared to my 3 megapixel BlackBerry Curve camera. Pictures taken outside in the daytime are great looking with vibrant colors, when taken indoors they may or may not be a little noisy depending on the inside lighting.
In regards to call quality, I have to admit that I cannot give a personal account but most users say that the call quality is ok and is what is expected on the AT&T network, while others say that the sound does not come across as clear as they expected, but everyone has their own opinions.