I finished editing GrandN.pgn. It is a filtered collection of top human-human games from 1931-1960. There are 4 other pgns in this collection:
GrandO (1961-80), GrandP (1981-90), GrandQ (1991-8), and GrandR (1999-2006).
What is interesting about GrandN.pgn is that it contains games of so many of the great figures of chess: Capablanca. Alekhine, Euwe, Nimzowitch, Em Lasker, Botvinnik, Tal, Fine, Reshevsky, Smyslov, Petrossian, Spassky, Fischer and many others. Of course some are at the end of their careers, and some are just starting out.
The link to my download page is:
http://hoflink.com/~npollock/chess.html
This link is also on Jim Ablett's site:
http://homepages.tesco.net/henry.ablett/jims.html