extreme x-605 叉機

extreme x-605 同 IMAX B6 which one is better.any ching can help?因有朋友買佐extreme x-605，唔識用，我又要買叉機，唔知邊部好？朋友在yahoo買extreme x-605 $200蚊，但巳經無貨！有冇ching 知點用及邊道有得買？

skyrc IMAX B6 和 skyrc extreme x-605 基本功能一樣。只是新版些的 x-605 多了一風扇。

說明書可到這兒找找便有：
http://www.skyrc.com/index.php?route=product/category&path=20

thankyou ching but .where I can buy X-605.how much