Um ... I have my own experience and let me share it with you.
I had the same dilemma for a year whether or not I should get a playmate for my Perry (2.5-year, lionhead, neutered male). 5 weeks ago I took the plunge and I got my Perry bonded with Lucy (1.5-year, Rex standard, spayed female). I have to tell you, this is not easy. The bonding takes for a long time and quite honestly I'm getting discouraged by it. Yes, it's cute when Lucy grooms Perry and when they share food and lay next to each other. But, Lucy turned out to be a pushy little bunny girl. She chases my Perry around, she pulls fur from him and when they have too much space, she flat out claims certain areas to herself and makes it into a habit of chasing Perry away like it's a sport. I don't like it. They keep telling me to keep putting them back in a small playpen to reconfirm their bonding. How long is this going to go on? It's been 5 weeks and just this morning Lucy chased Perry around even in the small playpen. Are they fighting or playing? I can't tell, but since the fur is flying I'm not liking it one bit.
It is much easier and less stressful to have one bunny. That is a fact.