Rockford Fosgate 45.2 Amp', any good?

[len_beach]

Following on from my thread re. co-axials, I was advised to integrate an amp to gain the most.
I picked this up yesterday, is it any good for the price?
http://cgi.ebay.co.uk/ws/eBayISAPI....MEWA:IT&viewitem=&item=200053788666&rd=1&rd=1

 

[len_beach]

up

 

[len_beach]

And again, someone must know.