Look ,I found something interesting for development budgets for Xbox 1 ,PS2 ,Cube ,DS ,GBA and PSP .
System Average Cost # of titles used in calculation
Xbox 202 million yen ($1.8 million) 13 titles
PlayStation 2 96 million yen ($877,634) 194 titles
GameCube 90 million yen ($822,857) 11 titles
PSP 90 million yen ($822,857) 6 titles
PlayStation 80 million yen ($731,429) 1 title
GBA 53 million yen ($484,571) 47 titles
DS 37 million yen ($338,286) 3 titles
Dreamcast 25 million yen ($228,571) 2 titles
And more info about development kits price :
Sony has cut the price of the PlayStation 3 (PS3) development kit by 50 percent in an effort to encourage more games.
PS3 development kits will now cost €7,500 (£5,400) in Europe







