WordPress is developing rapidly. Now you are able to download WordPress 2.0 Beta 2 (zip file, 576kb). But, take your risk if some plugins are not compatible with the latest beta release. So, check whether your current plugins will work for this beta release at 2.0 Plugin Compatibility.
Yes, it is true that not all plugins are compatible with WordPress 2.0 Beta 2 as illustrated by the comics above.
You can read the translation:
A: WordPress 2.0 has just gone out!
B: Really? And what changes does it have?
A: The major version number?
B: Excluding that…
A: Some plug-ins get borked