Imho no reason get sword spec and waste so much talents for getting sword cpeci, extra hit and bf. better go more assasin, for extra energy and cp, like this, if u wonna go combat - http://db.vanillagaming.org/?talent#fbe0oLZG0xdb
Get 37 lvl mh mace http://db.vanillagaming.org/?item=9427 (10g on AH). My not twink 37lvl-rogue have 300+ critz SS with this mace, without Lethality talentz ( so they can be "300+" х 1,24 = almost 400 for my gear and 400+ for bis twink gear) .