I bought a vintage Betacam SP machine on Ebay for nothing. It was a nostalgia thing. I worked with them for years.
Hey, but the professional/ENG version is still out there (maybe small market TV stations that can’t afford new equipment yet?):
http://pro.sony.com/bbsc/ssr/product-DVW2000/
http://pro.sony.com/bbsc/ssr/cat-recmedia/
http://www.fujifilm.com/products/professional_av/lineup/digitalbetacam/