I think it deserves separate post.
2GD and other pros will teach you play QuakeLive. From basics (weapon binds, graphic settings, how and why you can force enemy model etc) to more advanced stuff such as movement, timing, strategy.
Learn 2 Play Series powered by Qpad - Quakelive:
Episode 05 (part VI) - Strafe Jumping and Rocket Jumping
Episode 04 - Item Timing in Duel
Episode 03 (part II) - Bridge to rail strafe jump
Episode 03 (part I) - Bridge to rail strafe jump
Episode 01 (part III)
Episode 01 (part II)
Episode 01 (part I)