For passives, I believe it's critical strike, dodge and penetrate.
By headstriker I take it you mean highlords and yah, that's a good choice. I think that 08 saracens is also a favourite because of amp and resists.
Um, gloves, dracs or a good crafted pair with IAS and some skills would probably do.

I'm not too good with amazons those. This is just from some that I have seen.