Here's how my final system would work:
Week 1
(1) Melbounre vs. (8) Parramatta - Olympic Park
(2) Bulldogs vs. (7) Canberra
(3) Broncos vs. (6) Dragons
(4) Knights vs. (5) Manly
(Melbourne, Bulldogs, Dragons & Knights Win)
Two Lowest Ranked Losers (Parramatta & Canberra) Eliminated
Week 2
(1) Melbourne vs. (6) Manly - Olympic Park
(2) Bulldogs vs. (5) Broncos - Telstra Stadium
(3) Knights vs. (4) Dragons - Energy Australia Stadium
(Melbourne, Bulldogs & Dragons Win)
Highest Ranked Winner (Melbourne) Progresses Through To Grand Final
Lowest Ranked Loser (Manly) Eliminated
Week 3
(1) Bulldogs vs. (4) Knights - Telstra Stadium
(2) Dragons vs. (3) Broncos - WIN Stadium
(Bulldogs & Dragons Win)
Winners (Bulldogs & Dragons) Progresses Through To Preliminary Final
Losers (Knights & Broncos) Eliminated
Preliminary Final
Bulldogs vs. Dragons - Aussie Stadium
Winner (Bulldogs) Progresses Through To Grand Final
Loser (Dragons) Eliminated
Grand Final
Melbourne vs. Bulldogs - Telstra Stadium
Week 1
(1) Melbounre vs. (8) Parramatta - Olympic Park
(2) Bulldogs vs. (7) Canberra
(3) Broncos vs. (6) Dragons
(4) Knights vs. (5) Manly
(Melbourne, Bulldogs, Dragons & Knights Win)
Two Lowest Ranked Losers (Parramatta & Canberra) Eliminated
Week 2
(1) Melbourne vs. (6) Manly - Olympic Park
(2) Bulldogs vs. (5) Broncos - Telstra Stadium
(3) Knights vs. (4) Dragons - Energy Australia Stadium
(Melbourne, Bulldogs & Dragons Win)
Highest Ranked Winner (Melbourne) Progresses Through To Grand Final
Lowest Ranked Loser (Manly) Eliminated
Week 3
(1) Bulldogs vs. (4) Knights - Telstra Stadium
(2) Dragons vs. (3) Broncos - WIN Stadium
(Bulldogs & Dragons Win)
Winners (Bulldogs & Dragons) Progresses Through To Preliminary Final
Losers (Knights & Broncos) Eliminated
Preliminary Final
Bulldogs vs. Dragons - Aussie Stadium
Winner (Bulldogs) Progresses Through To Grand Final
Loser (Dragons) Eliminated
Grand Final
Melbourne vs. Bulldogs - Telstra Stadium