In my opinion, Macromedia should make their feeds available as RSS 1.0 and 0.91 or 0.92 – and possibly a number of other formats. Shouldn’t be a big deal to do – and would make the feed more available than it is today. I am especially missing a category definition in the feed, being able to filter the newsfeed to only the information I am interested in is pretty important. (And even more so when its a Flash resource site that is going to use it). Macromedia could also fix it by making available channels for each of their products.
[Update: As Mike pointed out, the XML newsfeed from Macromedia does indeed contain categories, I stand corrected].