101 Reasons to Hate Dr Unne and Drink Bacardi, I think that was the name anyway.

Pretty much any thread in the archive by Big Ogre Umaro is always worth a read - or at least the initial post.

The Dwarf Fortress save-share thread (Spoonproblems) was awesome.

Marick's X-COM LP was fantastic too.

Recently, I've really enjoyed Del Murder getting his kids reactions to FFVII.