It looks like Steam is back up, and there are indeed some really good sales right now.
Metro 2033 - $4.99
Portal 2 + Portal - $8.74
Fable III - $12.49
Valve Complete Pack - $49.99 (All Half-Life, Portal, and Left 4 Dead titles + more)
Bethesda Holiday Collection - $74.99 (Morrowind GOTY, Oblivion GOTY, Fallout 3 GOTY, and Fallout: New Vegas + all DLC. + more)
Just to name a few.
Metro 2033 - $4.99
Portal 2 + Portal - $8.74
Fable III - $12.49
Valve Complete Pack - $49.99 (All Half-Life, Portal, and Left 4 Dead titles + more)
Bethesda Holiday Collection - $74.99 (Morrowind GOTY, Oblivion GOTY, Fallout 3 GOTY, and Fallout: New Vegas + all DLC. + more)
Just to name a few.