Which is the best radarless attack helicopter?

A129 International Multi-role Combat Helicopter
AH-1Z SuperCobra
AH-64A Apache
Ka-52 Alligator
Mi-28A Havoc
Rooivalk AH-2A
Tiger HAD
Mi-24P Hind

http://www.army-technology.com/projects/#Attack_Helicopters

PS How on Earth do you make a poll? The FAQ makes no sense …