What a neat idea Richard has!
Using Mac OS X and a .Mac account, it is possible to organise your bookmarks and synchronise them between different Macs running Safari. However, as far as I know, you need to do this with Safari and you need a .Mac account.
Creating a link blog like Richard has done, suits those who browse at different places with different operating systems and browsers. From any box with a browser that is connected to the net, you can now persist your links so they are accessible elsewhere.
Lastly, separating the content and link blogs, gives better focus to each. I can now subscribe to the content blog to get the juice without having to trawl through zillions of short one liner links.