Originally shared by David Lawson
Definitely the Prusa i3
http://www.google.co.uk/imgres?sa=X&biw=1280&bih=675&tbm=isch&tbnid=Il18xIth4Bw05M:&imgrefurl=http://reprapuniverse.com/catalog/product_info.php%3Fproducts_id%3D76&docid=VKBGxU8DoZX98M&imgurl=http://reprapuniverse.com/catalog/images/prusa_i3_frame_kit_yellow_large.png&w=900&h=787&ei=XotOUsb2EsaIigKQxYCIDA&zoom=1&ved=1t:3588,r:6,s:0,i:100&iact=rc&page=1&tbnh=168&tbnw=198&start=0&ndsp=17&tx=86&ty=78
http://reviewersguild.com/iprint3d-budget-3d-printer-launched/