Need Suggestion for 2.1 Audio System (F&D A310 / F&D A520 / Altec VS 2621)

Hi, I will be buying 2.1 Speaker for my system on saturday. I have shortlisted below speakers as per my budget. Please advice which will be best among these-

F&D A310(4000W)
F&D A520(5000W)
Altec VS 2621


Thanks !!!!