Updated OSR Resource Page
Email me, firstname.lastname@example.org if you are looking to get into a local game. Or, if you want to run a game and are looking for players. There is a relatively large community of players in central Texas.
How to get started playing old-school for free has already detailed this better than I can. I will reiterate two links that attempt to explain what old-school style of play means.
A Quick Primer for Old School Gaming by Matt Finch - The first of the popular guides to old-school D&D, by someone who has been instrumental in the popularization of the hobby in recent years.
The Principia Apocrypha by Ben Milton, Steven Lumpkin, and David Perry (with Evlyn Moreau) - The most recent guide to the principles of old-school gaming, lovingly illustrated and filled with elements of wisdom collected in the years since Matt Finch wrote his.
Old School Essentials Basic Rules Free PDF. I recommend these for people who do not know where to start. They are reformatted B/X.
Original Rules PDF I do not recommend for typical play. Only for historical interest or for those wishing to recreate the first ever D&D experience.
Look to the right -> "Explore!" lists most recent post from scores of blogs I've Favorited. Most are OSR related.
This blog's OSR labeled Posts.
YoutubesQuesting Beast - Reviews of new products, learn about all the great things you didn't know exist.
Bud's RPG Reviews - Reviews of (mostly) original out-of-print games and products.
and so many more.