After virtualization.info How to install Sun Solaris 10 inside VMware Workstation 5.5, another unofficial installation guide appeared.
This time the author is Juergen Winkelmann which details how to install Solaris 10 (03/05 or 01/06) inside a VMware ESX Server 2.5.2 virtual machine.
Read it here.
Thanks to VMTN Blog for the news.