If you like the Surface form factor, there is the Dell version that is almost identical but a lot more reliable. We affectionately call them "Durface". You can use a regular dell DisplayPort dock with it.
http://www.dell.com/en-us/work/shop/cty/pdp/spd/latitude-12-5290-2-in-1-laptop/cto25290132n1us?cid=309068&st=&gclid=CjwKCAjwiurXBRAnEiwAk2GFZoLAfoGbeWVmmZUN_RDRmQlDHG_DisiZcgKKdAFcWRIG-fQ6hIyfWhoCi9MQAvD_BwE&lid=5842890&VEN1=sbzEMTm25,165145792987,901q5c14135,c,,CTO25290132N1US&VEN2=,&dgc=st&dgseg=so&acd=12309152537501410&VEN3=810904400236802294