Yes it is possible - I am in a mostly good relationship with a SA survivor - one who is really coming along with his healing. My BF in the past has been an alcoholic/drug addict and engaged in some compulsive/anonymous sex in his past and now he's clean from all of that (kicked everything but pot for about 5 years and finally kicked his pot habit in Feb 2002 (we met "again" in September 2001 (we were childhood friends in the 1970's)).
At this time, my BF is involved in daily meditation/journalling, group therapy for SA men (group focusses on anger) individual therapy and he is also putting together a case to prosecute his perp. I have found that our times together are much better when he has a support network in place that he is actively using - when he is in therapy or has people to talk to we get along much better.
My BF is quite far along in his healing though - I suspect from the informaiton I've received about his past relationships (they sounded horrendous), that our relationship probably would not have survived if it had happened prior to now (we're in our mid 30's - his SA happened when he was 17 and he first sought counselling at age 29).
I dont expect there will never be any bad times/regressions, but there is much more good than bad. (however, some of the bads have been REALLY bad).
So in a nutshell it is possible. Because of his SA my BF has an excellent ability to be (most of the time) compassionate and sensitive towards others who are going through tough times. As a partner of a SA survivor, however, you do have to have a certain amount of inner strength and a good support network to ride out the tough times which will crop up from time to time (however, troubles crop up in ANY relationship from time to time - there are no trouble-free relationships out there). You can be pretty sure that anger and tension will be a part of your relationshp, from time to time, and you have to understand that the SA experience will never go away, however, as our couples counsellor said with time, help and healing "you learn to wear it like a comfortable old shirt instead of a stifling strait-jacket".