The "Design Alternatives Analysis Archive" thread is one of the best resources for Roleplaying Game design, and is a great resource that should be readily available.
Could we please sticky it?
http://www.therpgsite.com/showthread.php?t=21479
I do agree on this.
I like to think it would be useful to someone building or heavily house-ruling their game.
Its as closely focused on engineering rather than ideology (just lists of existing games and how they do XYZ) as I could manage.
The other option that might be good, if there are too many stickies as-is, would be to move it to the Articles subforum.