Well given how popular the Armored Core 4 thread was... 
So a little news on AC5, meant to be released the first half of this year, a return to AC1/2 type physics, a little more ground-based, and the hope is a little more tactical and less Gundam/ZOE/super robots, more detailed stages with height being more important.
Mecha Damashii » Blog Archive » News: Armored Core 5 Announced
Toshifumi Nabeshima Talks Armored Core 5 (andriasang.com blog, 01.13.2010)
There's a video too:
YouTube - ARMORED CORE5 ç¹å ±
So a little news on AC5, meant to be released the first half of this year, a return to AC1/2 type physics, a little more ground-based, and the hope is a little more tactical and less Gundam/ZOE/super robots, more detailed stages with height being more important.
Mecha Damashii » Blog Archive » News: Armored Core 5 Announced
Toshifumi Nabeshima Talks Armored Core 5 (andriasang.com blog, 01.13.2010)
There's a video too:
YouTube - ARMORED CORE5 ç¹å ±