Mine actually uses a limit switch and the extruder as the probe, either way I have not noticed a difference when using auto level.

The hot end I'm looking at is thisAll Metal long-distance J-head hotend JHEAD for 3D Printer bowden extruder RepRap MakerBot Kossel Deltahttp://www.aliexpress.com/item/Geeetech-All-Metal-long-distance-J-head-hotend-JHEAD-for-3D-Printer-bowden-extruder-RepRap-MakerBot/1849034687.html
(from AliExpress Android) you think this will work