PHP5 and PEAR

Hello Everyone, How will PHP5 affect the current PEAR libraries? Will some of the PEAR libraries be unusable? Will PEAR be distributed a different way with a different type of file structure than the default PHP uses for PEAR? How will it be organized and what do I need to watch out for? I haven't used PEAR in the past and I'm just now starting to use some of the very useful libraries. But the problem is that we're so close to PHP5 that I don't want to get STUCK with a project in the near future that I need to write in PHP5 and not have the same PEAR libraries that I enjoyed in PHP4. I want to know if it would be better if I waited for PHP5 to come out before I start using PEAR. Any suggestions, comments, etc? If you know of any websites with articles that talk about this issue then that would be great. Anything would be helpful at this point. I feel very lost. Also, anyone know how the PEAR documentation project is improving and what we can look forward to in the future of the documentation of some of these classes? Thanks in advance. Navid