That was a couple of years ago and I was over it until a co-worker said he was selling his Astro, I found y'all, and the wheels started cranking. Then Tom and Herbie's GTRV conversions got me totally motivated and chomping at the bit.
But looking at Herbie's excellent pictures cutting that bigazz hole got me rethinking the standing room. During my westy's half-life while it was still functional, the top was actually not popped that often and a fair amount of cooking still went on. Then I stumbled (I seem to do that a lot) on to this site and got the idea of putting the Galley/shower/head out back.

a bit more lost time in the web turned up this tent picture and really got those damn noisy wheels turning.

I'd want a more substantial tent than the one pictured, but the idea has me completely rethinking the camping layout. I guess I'm thinking more like a weekender. That said, I still reeeally want the upstairs and a top-tent looks like an excellent (and simpler) installation. The only big downside is having to go outside to cook and climb upstairs.
But that's much less of an issue here as this is a "Southy" and not a (north) Westy.
So has anybody gone this route or have any suggestions?
PS: Theres a lot of wonderful camper eye-candy and inspiration at this link:
http://www.vwcampersales.com/sold-vw-campers.php