More Blog configuration: Tonight once home I manually moved my posts from my first blog to the new dev blog. Just cut and paste. Next time I need to move to a different blog, the full WordPress software allows easy export and inport.
I then backed up dev to my laptop and deleted Live.
If your after a good FTP client for OS X, I use Transmit. Makes jobs like this very easy.
Then I FTP,ed the contents of dev to Live. Once that was done I logged into WordPress altered the paths to refer to the blog new location.
Everything seemed to work, so now the final part to delete dev.
Wow, its all still works!
Well nearly works; the picture I had in a post was lost, I suppose I need to read up on how to officially move a site!