Let's just say I find ANYTHING posted at that specific website highly suspect. What you are asking for is a bit like proof that influenza virus causes runny noses. It's fucking rediculous that you think that site is legitimate.
As far as isolated HIV:
http://www.aegis.com/aidsline/1994/dec/M94C4262.html
http://www.aegis.com/news/ads/2005/AD050282.html
http://www.ncbi.nlm.nih.gov/entrez/q...&dopt=Abstract
http://general-medicine.jwatch.org/c...ll/1989/127/10
I could go on and on. Your boy's site says it has NEVER been done, but he's full of shit. It's done easily and frequently.