Richard Garsthagen published an interesting suggestions page for ESX Server 3.0 and VirtualCenter 2.0 beta testers.

Actually it shows 3 tips:

• Dual booting your server between ESX 2.0 and 3.0
• Accessing your ESX 3.0 server through SSH / SFTP
• Adding existing virtual machines files to the inventory

Be sure to check this page frequently for new tips and tricks.