Should women get 6 pack abs?  Well some ladies can achieve the ripped six pack abs look and still remain very healthy.  Some women will not be able to get a 6 pack, but a flat stomach is still a great thing for a woman to strive for.
 
Read this article on women and 6 pack abs.

If you need a little motivation to push harder in your workouts, check out these pictures of killer abs.
 
As a society we are vain, and that can be good and bad.  Bad when it demotivates us from trying to live a helahty lifestyle, but good when it motivates us to strive to be better.
Here are some pictures of people with great abs.

If you want ripped abs try adding sprints to your workouts!
Sprinting is high intensity, and one of the main benefits of high intensity workouts is Excess Post Exercise Oxygen Consumption, commonly reffered to as EPOC.
After a good sprint workout your metabolism can be increased for up to 24 hours.  And an increased metabolism is one of the keys to getting ripped abs.
Don't slave away doing crunches in you want to get ripped, try adding in some sprints.