I've come rather late to Windows Vista, but I'm now using it at last. One of the problems I find is that its font installer doesn't recognize my old Type 1 PostScript fonts, which was rather a shock. I paid good money for these fonts once upon a time, and see no reason why I shouldn't go on using them.
I discovered a solution that doesn't involve spending any money. The Vista font installer recognizes Type 1 fonts if you supply them in the form of PFM files. These were not originally supplied with the fonts, but are created automatically by the Windows XP font installer.
So, while I still have a functioning Windows XP system, I'll have to install all my old Type 1 fonts on it, and save all the PFM files for use under Windows Vista. A bit of a hassle, but things could be worse.
I wait to find out whether the Windows 7 font installer will accept PFM files...