This Humble Bundle is a must-buy, if you ask me.

[DeeBye]

https://www.humblebundle.com/

All games activate on Steam.

Pay what you want for:

Star Wars: Knights of the Old Republic
Star Wars Jedi Knight: Jedi Academy
Star Wars: Dark Forces

Pay $12 or more to also get:

Star Wars Empire at War: Gold Pack
Star Wars The Force Unleashed: Ultimate Sith Edition
Star Wars: The Forece Unleashed II

Pay more than the average (currently $11.45) to also unlock:

Star Wars Battlefront II
Star Wars Knights of the Old Republic II: The Sith Lords
Star Wars: Republic Commando
plus other stuff that will be announced later

I honestly don't see how anyone can pass up getting all of these games for a measly $12 (or more if you are feeling generous - the proceeds go to UNICEF).

EDIT: New games added!

Pay more than the average (currently $11.46) to also unlock:

Star Wars Jedi Knight: Jedi Outcast
Star Wars Starfighter
Star Wars Jedi Knight: Dark Forces II