225 Slant six with trans value

I've contacted two owners in the past week. Both had reasonable prices (200 OBO, one$250 with trans and 7 1/4, one with trans and Kframe) on the ads (Craigslist) and both had them posted for over a month, both low milage compelte running engines. I got responses from both initially, and then nothing a couple days later when i wanted to go get one... That was this past weekend.