Hmm, this is still being discussed?
I think the blogs should be removed. They are full of spam and cause a lot of unnecessary work. I think the removal would encourage the community to use the forums more. Forums are also a much better place to share your thoughts about anime and your daily thoughts.
I believe blogs aren't even used that much. At least I haven't come across useful, good blogs besides Chii's blog, which is the only one I used and that's only for some obscure titles (usually shorts). But even Chii's blog isn't perfect as it doesn't have all "hard to find" titles and thus I usually end up searching for them myself anyway.
I wrote a few blog posts, but ended up removing them as they didn't have any real content in them. Just some random thoughts that netted a couple of comments at their best. If it is like this to all the others who use blogs, I strongly recommend getting rid of the blog system. The cons are greater and more numerous than pros.
Well, that's just my two cents.