I decided to use iGoogle has my homepage. It has more varied and easily added content gadgets. AND I was wrong about Ajax programming not being available on iGoogle. I have since discovered that when you pass your cursor over links that a summary does appear as it does on Pageflakes.
Below are several other resources that might help you use iGoogle.
This Edublogger post, Setting Up iGoogle For Your Personal Learning.
Here's a video with basic info about setting up your iGoogle homepage by Ryan Wade.
And this video shows how to create your own gadgets by DemoGirl.
Or the slideshare below which is fairly technical.