And the prep is the same. Thats the fun part. So although virtual colonoscopy sounds sexy, it is still a pain in the a.. .Colonoscopy is still the gold standard and if something is found it could be dealt with then instead of going through the whole processs again. Its true that virtual colonoscopy is user dependent too. Barium enema is still around also. If you get a colonoscopy there was an interesting article publshed in NEJM a year or two ago that said the longer the time it takes to perform one the better off you are. That procedure is user dependent also.