4 bottles to try, without committing to a full set. 
 
One of each:
Dr. Brown Narrow, 4oz, (level T and level 1 nipple) 
Quark Buubi Bottle, 5oz, (newborn nipple)
Evenflo Balance+ Wide Neck, 5oz, (newborn nipple)
Nuk Perfect Match, 5oz (newborn nipple)