Thanks for all the feedback. I've updated my advancement plan below incorporating as much as possible. Here's where I'm at now ...
About taking Dodge/Pass Block on a pair of elves before Block/Dodge: My defensive catchers already take Block and then Pass Block. That gives me three Pass Blockers with Catch. Is this sufficient, or would you still develop a pair of line elf Pass Blockers? My league is pretty well balanced, although slightly bent towards strength: Chaos Dwarf, Dwarf, Orc, 2 Skaven, 2 Dark Elf, Wood Elf (me), 2 Undead, Human, Lizardmen.
I went with Tackle as the third skill on my Wardancers, choosing between that and Pro. Pro is good on the occasional block and leap, but Tackle is more consistent (and I am pretty Tackle-light).
I also decided to develop 3 defensive catchers, and only one offensive specialist instead of 2 and 2. My reasoning here is that scoring isn't as hard as getting control of the ball (true for me anyways), and also if I am outscoring my opponent I'll spend most of my time on defense.
I still don't know what to take for the third skill on my defensive Catchers. Tackle is tempting to make them into decent low strength blitzers, Side Step feels like the well-rounded choice, and DT or Shadowing seem to emphasize TOs but doesn't feel as effective w/o also having Side Step. Opinions?
I've been convinced that keeping a +ST upgrade on my Passers is in my best interest. Furthermore I decided that I'd rather have the 4ST on my defensive Passer (suggested by wesley).
Lastly, I changed the 3rd skill for the Line elves. Rather than universally take Side Step, I now take Side Step for the 3 compulsory elves on the LoS and a pair opt for Tackle instead (giving me 4 Tacklers on the 3rd skill).
Planning out to three skills seems a little optimistic, but I enjoy it nonetheless.
-- Eric
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Wardancers (x2)
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Normal: Strip Ball, Side Step, Tackle
Doubles: Dauntless
+MA: Shadowing, Tackle
+AG: Strip Ball
+ST: Strip Ball
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Catchers (x1) [O]
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Normal: Block, Side Step, Leap or Sprint
Doubles: NoS
+MA: Sprint, Sure Feet
+AG: Leap
+ST: Block
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Catchers (x3) [D]
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Normal: Block, Pass Block, Shadowing or Side Step or Diving Tackle or Tackle
Doubles: NoS
+MA: =>O
+AG: Pass Block
+ST: Block
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Passers (x1) [O]
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Normal: Sure Hands, Accurate, Safe Throw
Doubles: Strong Arm
+MA: Sure Hands
+AG: Sure Hands
+ST: =>D
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Passers (x1) [D]
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Normal: Sure Hands, Dodge, Block
Doubles: NoS
+MA: Sure Hands
+AG: Sure Hands
+ST: Sure Hands
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Line elves (x8)
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Normal: Kick (x1), Dirty Player (x1), Dodge, Block, Side Step (x3), Tackle (x2)
Doubles: Guard
+MA: Shadowing
+AG: Pass Block
+ST: Block