CHANGES:

• New "SpeedDBoosteR" solves speed issues for all games and now it's turned on by default
  
• New rewritten engine!
  
• Now uses "one-way-cache"
  
• Added on-fly screen mode switcher
  
• Added cpu clock switcher to menu
  
• Added Vram hack 
  
• Added Plug'n'Go! feature

...and a lot of other minor things

Package includes:

ENGLISH, RUSSIAN, BRASILIAN, FRENCH, DUTCH, HUNGARY, GERMAN, ITALIAN, HEBREW, TURKISH, SPANISH and PORTUGUESE versions.

FW: 

Fully compatible with 5.00 firmware
Probably will work on 3.80+ fw (speedbooster may not work on firmware older than 5.xx)