I began cycling about this time last year. My experience with saddle pain was much the same as yours until at long last finding one that worked for me for up to 50 miles so far. Another aspect of comfort is learning the best position in which to sit. There is an excellent thread on this on the Road Forum here.
http://www.bikeforums.net/showthread...tion-Discovery I've begun to implement the concepts discussed with some immediate success. Read through and you may find useful ideas.