There are tons of really good 3D printer models out there for under $1000.
I agree with several of the other posters that the Prusa I3 is currently likely the best value on the Open Source side.
I personally like the kit from MakerFarm:
http://www.makerfarm.com/index.php/3...-8-i3-kit.html
Picture attached. For Under $650 (after shipping).
I have been dealing with Colin there for over a year and his product is quality and the service is good. I buy the kits for the 3D Printer camp I teach from him for just these reasons.
If folks in the Greater Metro-DC area I am doing session at the DC FRC workshops on 3D Printing where I will be covering a lot of these type questions.
I am also doing another printer build camp on Dec 16-20 in Mclean, Va. PM me or email
3dprinting@usstem.org for more details.