Approximately what Body Fat Percentage would you need to get definition???

I am currently at 10.5% BF.  I'm happy where I am right now but I want to get more definition in my midsection.  I will continue to superset, eat right, and run after I lift.  Hopefully I will have a good update in a couple weeks I'm trying to cut down to about 8% BF.  What percentage would you need in order to see some really good definition in your stomach I'm talking about the lines 8 pack etc.

Height: 5'7

Weight: 170-174

Bench: 265 max

NO Xplode
ON Whey Protein
Multivitamin
Vitamin C
Fish Oil
Food :)

Always finish what you start!!!

Anything below 10% you will start to see the lines.  Depending on your abdominal developement you may have to get down to 6% to really start to see a six or eight pack.  Like me, my abs are showing at 7% but they don't kick ass until about 5%.  Everybodies a little different though.

typically under 10% bf, obviously the lower, the better but dont go too low either

Currently Using:
Centrum Performance
Now Sports Adam Superior Men
Zma
Tribulus
Nitrix
Cellmass
No-Xplode
Syntha-6
Methyl Ripped

6-8%

Fri Night I drank about 11 beers haa and my body hates me for it.  I am almost certain that my BF% went up because of it hopefully not though.  I want to get down to 8 % body fat and currently as you know I am 10.5%.  What sort of strides will I need to take in order to get to this feat.  My nutrition is good I eat:
 
Breakfast-  eggs, avacado, wheat bread
 
whey
 
lunch-  gosh many things to pick from such as tuna sandwich, salad with grilled chicken
 
whey
 
dinner- grilled chicken, steak, sushi
 
usually protein veggies and wild rice
 
whey before bed
 
My workout routine:
 
chest bis
 
back
 
shoulders tris
 
legs
 
When should you switch around your routine every two months?
 
What's a good routine to try I usually superset every two weeks or so maybe some circuit training here and there

Height: 5'7

Weight: 170-174

Bench: 265 max

NO Xplode
ON Whey Protein
Multivitamin
Vitamin C
Fish Oil
Food :)

Always finish what you start!!!

i change up my routine whenever i feel that my gains are slowing down

What sort of strides will I need to take in order to get to this feat. 
http://www.discussbodybuilding.com/For_Losing_Fat/m_111175/tm.htm
 
Read that.
 
Try eating every 3 hours.
Beer in moderation on cheat days.
Vary the training every day...yes, every day!

My Journal - www.discussbodybuilding.com/fb.ashx?m=168123
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This is me at about 7% bodyfat.

Attached Image(s)

how to calculate percent body fat?

Q
Age: 15
Height: 6'2''
Weight: 160
BMI: 20.5
Body Fat: 8%
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The methods YOU can use to test your body fat yourself are unreliable on a one-time basis. 
They are better used to track changes over time on an ongoing basis. 

Test every 1-3 weeks at the same time of day...and use the same scale to take your weight. 
Here is a calculator that allows you to use skinfold calipers (3 or 7 point test+-) or tape measure
http://www.linear-software.com/online.html

Here is the best price I have found to date for good cheap accurate calipers:
skinfold Calipers <--- link to place on amazon where it is cheapest

Once your diet and training are in place, measure your body composition and go a week following your plan.  Take circumference measurements of your muscles.

At the end of the week (and each week) check your body composition again - always at the same time of day with the same method and tools. 

It is more important to look at the raw caliper measuremnts themselves than at the calculations! 

My Journal - www.discussbodybuilding.com/fb.ashx?m=168123
PRIMERS:
Gain Muscle - www.discussbodybuilding.com/fb.ashx?m=111173
Lose Fat - www.discussbodybuilding.com/fb.ashx?m=111175

thanks dan mirage

Q
Age: 15
Height: 6'2''
Weight: 160
BMI: 20.5
Body Fat: 8%
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