This one's a no-brainer: Bundle of Holding has Runequest 6 on parade. All the Runequest you can stand for a current threshold (as of writing) of $14.50. It would be an awesome deal for me if I didn't already own most of it.....but I don't have the Book of Quests or the module in this pack, so maybe I will indulge anyway.
Now's your chance to get everything Runequest 6 in PDF. This is well worth the investment, trust me!