This is looking good - thanks to Tango for pointing me at it... its pretty much along the lines of what I've been looking for too. Unfortunately my PHP skills are limited to knowing its a programming language...

I will try to set up a test environment to have a play with it myself over the next week or so, but no promises as I am moving workshops and trying to keep things running at the same time...

Keep up the good work tho, I'm now watching with great interest and will re-read it all asap to get a full grasp of whats being done here. If I get the essential gist of it, its what I asked for here:
http://www.ubercart.org/forum/support/3129/auto_populating_delivery_info...
Which was to save the customer having to re-type their info if they have already registered on the site... And not sure if this was mentioned, but is it possible to save the checkout addresses to the profile if the profile has no info in it? or a tick-box for the customer to decide if they want this to happen, maybe for a simple address update for them?

Steve
4WD Stuff