This week's PlayStation Store Update is now live. The controversial Rock Band Nirvana track pack is here, so all you rockers out there are sure to enjoy the animated Kurt Cobain rockin' it out alive and well in this game. It's a double treat too as Nirvana drummer, Dave Grohl's own band, Foo Fighters, also shares some love in this week's release.

Other big releases include Dissidia Final Fantasy for the PSP, Trine's PS3 demo and Ghostbusters: The Video Game on the PSP.

Without further ado, check out the list below:

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PS3

Updates

• Mercury Bundle 2 Sale - Includes Archer Maclean's Mercury and Mercury Meltdown (US$ 9.99)
• TV Show King Price Drop (US$ 6.99)
• X-Men Origins: Wolverine Weapon X Arena Pack Price Drop (US$ 4.99)

QORE

• Qore Episode 18: November 2009 (US$ 2.99)
• Qore Annual Subscription: November 2009 (US$ 24.99)

Downloadable Games

• Military Madness: Nectaris (US$ 9.99)
• Numblast (US$ 4.99)

PSone Classics: PS3/ PSP

• Gex (US$ 5.99)

Game Demos (free)

• Trine Demo
• Military Madness: Nectaris Demo

Add-on Game Content

• LittleBigPlanet
• Anniversary Costume (free)
• Spaceman Costume (free)
• Dragon Age: Origins
• Stone Prisoner (US$ 14.99)
• Warden's Keep (US$ 6.99)
• Brutal Legend Tears of the Hextadon Map Pack (free)
• Marvel Ultimate Alliance 2
• Character and Mission Pack (US$ 9.99)
• Juggernaut Playable Character (US$ 1.99)
• topatoi: Arcade Style Pack (free)
• Way of the Samurai 3 Weapons DLC (free)
• Rock Band
• Best of You - Foo Fighters (US$ 1.99)
• The Pretender - Foo Fighters (US$ 1.99)
• Wheels - Foo Fighters (US$ 1.99)
• Word Forward - Foo Fighters (US$ 1.99)
• Foo Fighters Pack 03 (US$ 6.99)
• Fake Friends - Joan Jett & the Blackhearts (US$ 1.99)
• About a Girl - Nirvana (US$ 1.99)
• Blew - Nirvana (US$ 1.99)
• School - Nirvana (US$ 1.99)
• Nirvana Bleach Pack (US$ 5.49)
  

PSP

Downloadable Games*

• Ben 10 Alien Force (US$ 19.99)
• Ben 10: Protector of the Earth (US$ 14.99)
• Crimson Room: Reverse (US$ 7.99)
• Class of Heroes (US$ 39.99)
• Dungeon Maker: Hunting Ground (US$ 14.99)
• Creature Defense (US$ 7.99)
• Numblast PSP (US$ 4.99)
• Star Wars Battlefront: Elite Squadron PSP (US$29.99)
• Star Wars Clone Wars: Republic Heroes (US$ 29.99)
• Dissidia Final Fantasy (US$ 39.99)
• Ghostbusters The Video Game PSP (US$ 29.99)

* Also available from PS3 storefront

Game Demos (free)

• MotorStorm Arctic Edge demo (free)

Add-On Game Content

• Rock Band Unplugged*
• Toxicity - System of a Down (US$ 1.99)
• Waking the Demon - Bullet for my Valentine (US$ 1.99)

* Also available from PS3 storefront