JBoss IDE giving me grief at the moment

It is being little long I really played with JBoss's eclipse IDE so decided to try what is latest in this organized shop, Latest one was JBossIDE-1.4.1-jre1.5-e31.zip so decided to give it a try, so downloaded latest eclipse also as it requires 3.1M4+ and I am still using 3.0x version.
Okay both are there, now I install and like always closed my eyes and expect it to work but get following error




Sometimes I believe they are best out there, but they still need to give that more fine touch and test there stuffs really well, Though they are still far better than even some commercial companies.
Also felt like saying, they still need to work little more in ease of read in documentation, like w/e you specify the changes in documents, please specify the changes highlighted and just below them specify the file name in which we need to change so that people who likes to try quickly can just see those blocks and can go ahead instead of reading the complete document.
But truth is, We always want more :)