After a problem-free week of Leopard on my MBP, I have suddenly been afflicted with constant internet connection loss via my airport. The connection is excruciatingly slow (15-30 kbps instead of my usual 300+kbps), and it literally fails every 25 seconds or so (i.e., clicking on a link and opening a new tab "fails to open the page" about 50% of the time). To get it working again, I just have to click refresh until the connection resumes... My other computer (running Ubuntu) has no problems with the internet, so it isn't the ISP or my modem/router hardware. Has anyone else experienced this? Are there ways to make it work again? Can we assume that this is something which will be addressed in 10.5.1?