Check around the Suhr website for starters. They have the Modern, Standard, Classic S and Classic T models to compare. (and the TS as well).
There are tons of YouTube videos to listen to them in action, listen for differences. There are pages on woods, pickups etc., those are worth checking out...
Yeah it's not a bad idea, actually on wheels it would save me a trip! They're great amps with heavy iron, very punchy.
I'm always surprised more people don't know about them.
As far as gold grill, you could always call and ask.