Crossword Puzzle Pack on the attack

Clue: Pack on the attack

Packed theater sign (SRO with 3 letters)
Sign for a packed theater (SRO with 3 letters)
Sign at packed theaters (SRO with 3 letters)
Onetime "Masterpiece Theatre" host (COOKE with 5 letters)
Onetime winner of all the awards in this puzzle's theme (RITAMORENO with 10 letters)
Online attack (FLAMES with 6 letters)
Jump online, or a hint to the long theme answers (GETCONNECTED with 12 letters)
Like some six-packs (ABDOMINAL with 9 letters)
Employ gene therapy, say (IMPROVEONNATURE with 15 letters)
Online magazine (e.g. SALON with 5 letters)