SEAD weapons and SAM

what is the best SEAD weapon for F-35 ? SDB II , AARGM , JAGM , NSM , JSOW-ER , NSM
which is harder to intercept ? cluster of 40 hydra rocket or 10 stealth JSOW-ER
is it possible for the F-35B to hovering ( invisible to the radar ) and attack target ?
and why the powerful jamming on EF-111 can jam ground radar but helpless against the Mirage F-1 ? http://www.youtube.com/watch?v=epQoceuzuJA ( 2:23 -> )
The out put of the newest ALQ-99 is only 6.8 kw while the older version can reached 10.8 kw , why they reduced it ? http://en.wikipedia.org/wiki/AN/ALQ-99

BTW : which is the better SAM system , the Aegis with SM-2 block IVA , SM-3 , SM-6 , ESSM , RAM or the S-400 with missiles like 40N6 , 9M96E2 , 9M83ME , 48N6E2 , 5V55U
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and is it possible for an aircaft to use noise jamming to jam the communication between the command center on the ground and missiles in the air ( many modern SAM use command guide )
which is the most powerful radar on ship today ? , is that the SPY-1 on Arleigh Burke ? or that the 64N6 Big Bird on Kirov ? , what the average height of radar put on a destroyer ?
SM-2 , ESSM can be used against SHIP , theoretically is it possible to use SAM missiles against ground target like tank or APC ?