do I have a choice?

Sun has a comprehensive roadmap for UltraSPARC going forward and combining forces with Fujutsu on SPARC64.

These new servers absolutely rock, and at superb prices.

I once had the pleasure of a 4-way Opteron v40z with a development version of 64-bit Solaris 10. It was a screamer, especially compared to our 4-way Dell P4 Xeon box, and 64-bit.

It was plenty fast enough to host 4 zones and several developers working on KDE, gcc and all manner of other stuff.

At last, Sun looks like it's turning the corner (despite the best efforts of some of its PHBs - no names mentioned).

Good luck Sun.