Sun's commercial grade compiler is now available for free on Linux (RHEL and SuSE) and Solaris platforms.
It will be interesting to see how the use of this takes off with the various OpenSource projects; the Sun compiler is pretty good, and should have some nice optimizations on AMD architectures (Sun's new favourite).
In other Solaris news, Intel Pro Wireless 2100 and 2200 chipsets are now supported on OpenSolaris, in addition to Atheros, which has been around for a little bit longer. I have the latter in my laptop and it works flawlessley.
In other-other Solaris news, Oracle announces that Solaris 10 is its preferred platform again.