I always use webconferencing with my online clients, it sets you apart from everyone else, that send emails, sending quotes, the service I use and the easiest for Clients without them downloading any software, is
GatherPlace Home I have just the $29.95 basic package. I have it set up on my website
Miller Insurance Agency all I have to do is have the client go to my Homepage, Click on my Logo at top and this automatically connects them to me, and within seconds they are reviewing my Screen. Really works great, and the Clients are amazed, and this alone, will set you apart from the Competition. A picture is a 1000 Words!!