zippy lipo

hey,

i have been looking at getting a 6 cell lipo for my revo. i found this one on hobbycity online. its a zippy lipo pack. 6cell 4000mah 25c.

http://www.hobbycity.com/hobbycity/s...idProduct=6415

just wondering if it would be a good battery pack to get. i was reading some of the reviews on the other zippy packs and people do like them. one guy even ran it in his vxl and he said it was great.

it would be 150$ shipped to me.

should i get it lol????