JBoss AS 5 over WAS 7

Can someone please help with advantages of JBoss over WAS?

Any help or reference is appreciate开发者_JAVA技巧d.

Thanks.

---

Here is one from IBM website. Most of the comparisons I believe will be biased.

Here is another discussion thread.

NOTE: The comparison should be done based on your use-cases and SLA requirements. Otherwise it is just theoretical.