which alpine amp would you get?

which alpine amp would you choose and why? im buying two of them to run 4 6.5 midranges and 4 tweeters, and how are these at running active?

its the alpine pdx-4.100 or the alpine MRP-F600

http://www.alpine-usa.com/US-en/prod...odel=PDX-4.100

or

http://www.alpine-usa.com/US-en/prod...model=MRP-F600

yay the links i posted work!