I was trying to make a sniper/stealth build when i came across a couple questions i felt the need to ask.

I have my special set to 5 5 5 1 9 9 7

As a sniper i assumed perception would be important, after some research i saw that is not that great anymore. Should i put it any higher than 5? I see that with an ant quest i can put it up to 6 to get the perk i want. But i see no reason to put it any higher that that unless the radar actually is good to have even after 6? And if so what should i replace for it? Also should i leave S and E at 5 each so i can get the back perk which allows me to carry more stuff? Just let me know if any of you have time to tell me if i should change any of these and why... I really am not sure whats best yet, but i know 9 int is best plus bobble equals 10. And luck is 7 plus 8 ball is 8, and ranger armor is 9. Thanks for reading and let me know if i should have more perception or more or less of anything. Thanks! (: