26842 RSS News Site Like Topix.net

I'm looking to build a site exactly like topix.net. Features Highlight: 1. Crawls selected popular news, magazine, blog sites, and stores them in DB (I'm assuming this is the fastest way to display all the news consistently) 2. To rank relevance, use phpdig's algorithm for the topic 3. Template-Based 4. Mod-Rewrite capability Or, crawl method 2: Using: [login to view URL] or [login to view URL] or [login to view URL] Use google news RSS system, store it by proper topic, and display it on site just like [login to view URL] Basically get as close to [login to view URL] as possible. I'm open to suggestions as well.