Hey desibird,
Had a pretty good break over here thanks, although things were rather hectic (in-laws visiting from the UK). I still haven't quite got back into the swing of things!
The tubelog thing is a toughie. As I said in the other topic, the problem is that the JavaScript tabs script isn't really designed for displaying all the content for a site (or blog); it's meant for displaying various sections of content within a single page.
You could improve the whole "no unique URLs/bookmarking ability" and "broken Back button" thing by using the JavaScript to create unique, bookmarkable URLs for each tab. I explain how to do this in
http://www.elated.com/forums/topic/4717/ (see post dated 10-Sep-09 02:30). I also saw a jQuery plugin to help with this kind of thing:
http://benalman.com/projects/jquery-bbq-plugin/As to the problem of how to pull the WordPress content into the tab: iframes still seem like the simplest approach to me. Failing that then you could go down the Ajax route of making your archive links run some JavaScript to pull the posts into the left hand content column (calling a PHP script via Ajax to query the WordPress DB). Of course, if you want to allow people to
comment on the blog posts then things get more complicated still...

I recommend getting into jQuery if you want to start messing with Ajax etc - makes life so much easier:
http://jquery.com/Cheers

Matt
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Matt Doyle, Elated
3rd Edition of my jQuery Mobile book out now! Learn to build mobile web apps. Free sample chapter: http://store.elated.com/