What kind of things would you like to know? I'm open to writing a followup.
""press xxx to create a new tab. press xxx to switch to the new one you created. now press xxx to create a new horizontal window. press xxx to switch to it. xxx to create a vertical one...
close vi. type vi *.php to open all php files into separate buffers. press xxx to open 1.php and 2.php side-by-side...""
I'll write and post it sometime in the next week or so, if you're still interested by then. Thanks for the suggestion.