There will still be problems unique to everyone. For some, uncommenting cURL and the GD libraries will be all there is to it. For others, the cURL extesion (and therefore the necessary dlls) will be physically absent from your machine, even if PHP thinks they are still there.
It can take some scraping to remove the previous install of mySql completely from your machine (including System directory files and Registry entries, and removing info from the OS system paths) in order to reinstall mySql clean so that the various inis will 'join the dots' in a new install.
I went through XAMPP and WAMP before realising that it was (for me) a choice of total reinstall - including OS - or going back to IIS.
Others will be having problems with the PS3 database set-up because of authentication problems caused by the different ways the mySql 4.1 v 5.x mySql root user's password has been written to the db. Even when you can see your password in the root users database and send that from an application it will still 'look' different to that same database as far as authentication goes, depending on what combo of versions you have, and have had.
I'm preparing to do OG's suggestion of setting up a linux webserver on a reprieved machine.
In the meantime, I understand that Ray is revising some of the technical aspects of the PS set up in order to negate the problems that some people have been having.
