What's a reliable method to create a stand alone recovery disk for Lion? I'm seeing a lot of questions with all sorts of steps to burn a DVD or create a USB disk so you can boot your Mac with Lion if the internal drive is replaced.

Is there a definitive set of steps that is best in terms of support, reliability and cost?
This might help

http://support.apple.com/kb/dl1433

"The Lion Recovery Disk Assistant lets you create Lion Recovery on an external drive that has all of the same capabilities as the built-in Lion Recovery: reinstall Lion, repair the disk using Disk Utility, restore from a Time Machine backup, or browse the web with Safari."