TRing soon need input on a str pure rogue build
edit: 34 pt halfling

Looking at
str 16
dex 16
con 14
int 14
cha 8
wis 8

feats
1. TWF
3. Toughness
6. Exotic: Kopesh
9. IC: Slashing
12. ITWF
15. GTWF
18. PA maybe???

going for max sneak attack dps on enhancements full assassain line
+2 tomes across all stats when I can get them

need to know if this build is worth it and might actually be a useful assest later on and what end game gear should I be going for I am currently trying to complete 2 rad II kopeshes before tr so they are ready.