The E3D Titan (sold on Amazon or direct) is getting really good reviews although it is much more expensive than what you have. Their hotend is probably the highest rated one out there too. I've read a few forum posts of folks putting this combination on there cheap printer to god results.

The extruder you are linking is a Chinese clone. The Chinese parts have been criticized for the finish on the internal tubes that can catch on filament. You might check youtube for advice as it is a very common extruder. It can be difficult to get it right. Another video I saw had someone using a drill bit and toothpaste to hand ream the tubing on a Chinese E3D clone hotend. The author stated that it took some time but once he got it shiny and smooth it worked well.