Conditional registration usually means that there was a question about that dog's parentage. More info can be found here. Conditional Registration – American Kennel Club
By "NP" do you mean that those are the letters in their registration numbers? If so, that is just part of their numbers, and the letters used can change over the years.
As to whether or not they are breeding quality, this is a handy little flow chart that covers the basics.
Breeder flow chart by Rosemary Elwell, on Flickr
One major thing to consider when selecting breeding pairs is "Do these dogs complement each other?" Is the dog strong in areas where the bitch is weaker, and vice versa? Would this be a line breeding of related dogs, or an out-cross? What is their coefficient of inbreeding?
More things to consider:
Do the bitch's lines have a history of being free-whelpers, or have the all needed c-sections? A scheduled, routine c-section on a healthy, non-stressed bitch can run in the hundreds of dollars, and you still run the risk of losing the bitch, the puppies, or all of them. An emergency c-section on an exhausted bitch, who is already in distress, can run into the thousands of dollars, and the risks are proportionally higher.
Have other bitches in your bitch's lines been good mothers? Some bitches are, some aren't. Some are downright aggressive and will try to kill their puppies. Would you be willing to feed and clean up after a litter if your bitch can't or won't take care of them?
Will you be able to expose the puppies to a wide variety of people, places, and things before sending them to their new homes? The more safe, positive exposure they have to those as young puppies, the better their lives, and the lives of their new owners, will be.
Are you willing to take back any puppy you've bred, no questions asked, at any time in their lives if their owners can't keep them? A good breeder is always willing to take back a dog they have bred, and it will be in their contract that the dog be returned to them if their owners can't keep them.
I've got breeder friends... even a litter with an easy, routine whelping and a good mom is a huge commitment in time, energy, and money.
By "NP" do you mean that those are the letters in their registration numbers? If so, that is just part of their numbers, and the letters used can change over the years.
As to whether or not they are breeding quality, this is a handy little flow chart that covers the basics.

One major thing to consider when selecting breeding pairs is "Do these dogs complement each other?" Is the dog strong in areas where the bitch is weaker, and vice versa? Would this be a line breeding of related dogs, or an out-cross? What is their coefficient of inbreeding?
More things to consider:
Do the bitch's lines have a history of being free-whelpers, or have the all needed c-sections? A scheduled, routine c-section on a healthy, non-stressed bitch can run in the hundreds of dollars, and you still run the risk of losing the bitch, the puppies, or all of them. An emergency c-section on an exhausted bitch, who is already in distress, can run into the thousands of dollars, and the risks are proportionally higher.
Have other bitches in your bitch's lines been good mothers? Some bitches are, some aren't. Some are downright aggressive and will try to kill their puppies. Would you be willing to feed and clean up after a litter if your bitch can't or won't take care of them?
Will you be able to expose the puppies to a wide variety of people, places, and things before sending them to their new homes? The more safe, positive exposure they have to those as young puppies, the better their lives, and the lives of their new owners, will be.
Are you willing to take back any puppy you've bred, no questions asked, at any time in their lives if their owners can't keep them? A good breeder is always willing to take back a dog they have bred, and it will be in their contract that the dog be returned to them if their owners can't keep them.
I've got breeder friends... even a litter with an easy, routine whelping and a good mom is a huge commitment in time, energy, and money.