Recently in roleplaying…

4e specific:
Asamor does it again. Random 4e treasure parcels: Quartermaster
Item Previews from Adventurer’s Vault: Armor, Holy Symbols & Wands, Battle Standards, Reagents, Figurines of Wonderous Power
A level two adventure: Treasure of Talon Pass

The Barbarian will be ready for playtest this month.

From Greywulf: Each skill roll is an encounter and Complexity 1 Adventures.
A great series with lots of interesting characters with pictures, concepts, and stats: Character du jour

Traps: Setting DCs and Premade traps.

More character sheets
Rob Donoghue exults after playing recently. So does John Harper, on killing a red dragon. Back to Rob, writing about NPC spells and getting to play hard.
E-Z TILES Wilderness Set 1; a pdf with layers you can turn on and off to make varied tiles.

27 Monsters(pdf) by Asamor. Also, Goblin prison guard

Rebuilding Skill DCs; well written and persuasive.

General Roleplaying:
Advice: Prepare a game/setting character sheet.
Similarly, The Troops is a very cool setup for an organization. Filling it out provides recurring hooks and other useful bits.
Characters inspire the adventure.
Sequel to playing ball: Creative Vectors
A crude but powerful tool to end unfun roleplaying: The Rule of Lame
Burning Wheel actual play: The Bastard and the Knight, Part 2.
Inspectres in Space actual play.
Mage: The Awakening review.