domain Need Appraisal for 3 "Download" PR Domains

[kutchi]

http://thedownload.biz [pr2] with some traffic 1yr and 6 months old
http://ddownload.biz [pr2] with some traffic .... 6 months old
http://downloadukan.com [pr3] with some traffic... About 2 years old

Previous related sales

TheDownload com $7,900 Jul 07
FullDownloadZ biz $1,500 Jul 08
Download mobi $51,500 Oct 07
FullDownload us $1,800 Dec 07

Please let me know that they worth...

Thanks,
kutchi