A great price on one of the best games of this generation. Gamersgate currently have the Ultimate Edition, which has the DLC for $7.50 as well.

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I think some of these have been cheaper on Steam (Tomb Raider games) but there's a good range here and all games are DRM-free.

HITMAN: CODENAME 47 $4.99
HITMAN 2: SILENT ASSASSIN $4.99

Couldn't see this posted yet; the Deus Ex collection, part of the Square Enix sale on Steam at the moment.

Includes the following (with individual prices also reduced):

Most of the games are 75% off.

Games including:

Alien Vs Predator
Bioshock 2
Duke Nukem Forever
Deus Ex franchise
Warhammer 40k Space Marine
Carrier Command
Anno 2070 Deluxe

Half man, half machine, fully awesome!

In case you missed it last time, Steam again have 75% off all Deus Ex titles.

Games:
Deus Ex: Human Revolution - $8.74 USD

I know everyone is hurting from the Steam sales but here are a few more from Greenman Gaming!
Deux Ex Games 75% off! Batman Games 50% off! Metro 2033 75% off! Steam Keys!

I saw this on Steam, thought it might interest some people. You can get the whole bundle/collection for an AMAZING!

Not sure how many would be interested in this but there is currently 75% off Square Enix Games on Greenman Gaming. Please note that all require the Capsule download.

Hi all,

Greenman Gaming are offering 66% off all Deus Ex: Human Revolution titles, which includes:
* Deus Ex: Human Revolution $14.47

Digital Download of the latest Deus Ex game.
You will need to enter a US billing address, but I used a fake one and it worked perfectly.

Xmas Sale: Deus EX Human Revolution PS3/XBxo $25 delivered, PC $19.95 Delivered

More specials - http://www.playdisc.com.au/specials.html

LA Noire xbox $25

For some reason, OGS are selling a bucket-load of these games which happens to include the rare Collector's edition!

Prices:
Standard - $29.49/$29.99 (360/PS3)

As per title, Deus EX AE for $49, previously $99. Includes most of the extras excluding the figurine. Had my eye on this for a while and this is the cheapest I've seen it since launch.