For anyone who really wants the low-down on start-up pages, and a better understanding of what features are available with the multitude available, we highly recommend you visiting Mashable for a detailed over-view fourteen of the most popular start-up page platforms:

We learned this week that Pageflakes is adding a social network, which seems to be the next evolution of the start page concept. Meanwhile, Facebook is looking increasingly like a startpage. We thought it was time to revisit the startpage market, and see whether the new features on each site would convince us to switch.