If you don't know it already, two features you definitely want to look for on any TV if you're looking to power everything up in the cabinet with one button are (1) power return and (2) last channel recall. I imagine the WEGAs probably have them.
I'll be using a smart strip so no worries.
I'm using one, too, which is why last channel return is necessary. When the TV shuts off via the Smartstrip, then when the power comes back on, some sets will tune into the default channel (3 or 4, usually, I think). With last channel return, however, it will come back to whatever the last setting was (in my case, Video 1).