You know what’s cool? God of War III is cool. You know what’s even better? It’s the chance to give God of War III a spin a full half a month before it’s released around the world!

Yep, there is now a God of War III demo right there on your PlayStation Store! Go have a look if you don’t believe me!

Also making an appearance this week are demos for both Darksiders and Digger HD, both of which also beg your attention, while a new downloadable game, Greed Corp, has also risen to the surface.

The usual assortment of add-on content, excellent price updates, Guitar Hero and Rock Band tracks, interesting videos and PSP content (including new game Ecoshift) have also been added to the US PlayStation Store this week, so be sure to have a good look through a list of it all below:

Price Updates

• Super Street Fighter II Turbo HD Remix Sale, One Week Only! (now $7.49, original price $14.99)
• Hero of Sparta PSP mini Permanent Price Drop (now $4.99, original price $6.99)
• Let’s Golf PSP mini Permanent Price Drop (now $4.99, original price $6.99)
• Warhawk Sale, Ends on 3/11 (now $14.99, original price $29.99)
• Warhawk Booster DLC Bundle, End on 3/11 (now $9.99, regular price $15.99)
• Warhawk Fallen Star, Broken Mirror, & Omega Dawn DLC Sale, Ends on 3/11 (now $4.99, original price $7.99)

Downloadable Games

• Greed Corp. ($9.99)

The Tester

• The Tester Episode 2 “Communication Breakdown” (free)

PSone Classics

• Grandia ($9.99)

Game Demos (free)

• God of War III Demo
• Darksiders Demo
• DiggerHD Demo

Add-on Game Content

• UNCHARTED 2: Among Thieves Drake’s Fortune MP Map Pack ($3.99)
• UNCHARTED 2: Among Thieves Drake’s Fortune MP Skin Pack ($2.99)
• UNCHARTED 2: Among Thieves Drake’s Fortune MP Pack (bundle) ($5.99)
• LittleBigPlanet White Knight Chronicles Costume Pack ($5.99)
• LittleBigPlanet White Knight Chronicles Black Knight Costume ($1.99)
• LittleBigPlanet White Knight Chronicles Dragon Knight Costume ($1.99)
• LittleBigPlanet White Knight Chronicles Leonard Costume ($1.99)
• LittleBigPlanet White Knight Chronicles White Knight Costume ($1.99)
• Borderlands Secret Armory ($9.99)
• Dante’s Inferno Animated Film Dante Costume ($1.99)
• FIFA 10 Ultimate Team (English, Spanish, French) ($4.99 each)
• Operation Flashpoint Dragon Rising Overwatch Pack ($4.99)
• Valkyria Chronicles Challenge of the Edy ($4.99)

Guitar Hero 5 DLC

• Third Eye Blind Track Pack ($5.49)
  • Can You Take Me by Third Eye Blind ($1.99)
  • Losing a Whole Year by Third Eye Blind ($1.99)
  • Never Let You Go by Third Eye Blind ($1.99)

Rock Band DLC

• Distracted— KSM ($1.99)
• Walking on the Moon— The Police ($1.99)
• The Dope Show – Marilyn Manson ($1.99)
• HIM Pack 1 ($5.49)
• Heartkiller— HIM ($1.99)
  • Ode to Solitude— HIM ($1.99)
  • Wings of a Butterfly— HIM ($1.99)
  • Just For Tonight – One Night Only ($1.99)

Game Videos (free)

• PlayStation 3 TV Commercial – “Grandma”
• MLB 10: The Show Reveal Trailer
• SOCOM Fireteam Bravo 3 Launch Trailer
• MAG “Dear PlayStation” Spot
• MAG: How To – Leadership Overview
• MAG: How To – OIC
• MAG: How To – Platoon Leader
• MAG: How To – Squad Leader
• Yakuza 3 Dev Diary 1
• Dragon Age: Origins Awakening Trailer
• War Machine Trailer
• Sonic & Sega All-Stars Racing All-Star Moves Trailer

PS3 Themes

• MLB 10: The Show Themes (Diamondbacks, Orioles, Red Sox, Rockies, Dodgers, Yankees, Padres, Giants, Rays, and Blue Jays) (free)
• MAG SVER Dynamic Theme ($2.99)
• MAG Raven Dynamic Theme ($2.99)
• MAG Valor Dynamic Theme ($2.99)
• Abstracted Theme ($1.49)
• Irish Flags Theme ($1.99)

Wallpaper (free)

• Madden NFL 11 Contest Wallpapers (x3) (Drew Brees, Jared Allen and Reggie Wayne))

PlayStation Store for PSP

Downloadable Games (also available from PS3 Storefront)

• echoshift ($14.99)
• GTI Club Supermini Festa! ($29.99)

PSP minis (also available from PS3 Storefront)

• Retro Cave Flyer ($4.99)
• The Terminator ($6.99)
• Age of Zombies ($4.99)

PSP Game Demos (free)

• The Eye of Judgment Legends Demo

Add-On Game Content (also available from PS3 Storefront)

• BUZZ! Quiz World PSP Comedy Pack ($2.99)
• Metal Slug XX Leona Playable Character ($0.99)

Game Videos (free)

• The Tester Episode 2
• SOCOM Fireteam Bravo 3 Launch Trailer
• PlayStation 3 TV Commercial – “Grandma”

PSP Themes (also available from PS3 Storefront)

• MLB 10: The Show PSP Themes (Diamondbacks, Orioles, Red Sox,Rockies, Dodgers, Yankees,Padres, Giants, Rays, and Blue Jays) (free)
• Irish Shamrock Flag PSP Theme ($1.49)
• Irish Flags PSP Theme ($1.49)