Not sure if it belongs here, but I felt like we needed a topic for RPG blogs, so..
The Free RPG BlogRob Lang's blog for reviewing free RPG's. Would be better if it updated more often :/
Ars LudiRun by the guy responsible for the
West Marches experiment, Ars Ludi is a collection of musings on various RPG related subjects (
Intiative,
"backdrop plots",
using coins as dice). Definitely worth a look.
RPG Dumping GroundA collection of setting and system agnostic items and monsters, amongst several other things.