I have 183 in archery. Difference in wpf will be noticed when you will try long range shots. With +3 longbow and +3 bodkins i'm able to shoot ppl when arrow flight time is about 2 sec
Beleve me it give tons of fyn when you HS someone in about 100m or even further... ^^
I reccomend 183 wpf for lvl 33. Compared to guys on lvl 30 with a 160 wpf you difference in shooting speen is noticable.
About ath i have 7 and it's enought to dodge and run, but i'm going to max ath on lvl 35 ^^
Slow archer is dead archer, remember that