Epson's Pro Cinema LS10000 and JVC's DLA-RS6710 are arguably the two best 1080p projectors under $20,000.
This is my opinion which resulted in the Epson LS10000 winning our Best In Class award for projectors priced $3500 and up, while the JVC came in as Runner-Up. I'm sure, even after reading this, some of you will decide I should have awarded the JVC the top spot, over the Epson. Fair enough.
These to HT projectors are very different in a number of ways and capabilities, while being very similar in other ways.
Unlike most comparisons of competing projectors, I think that for most people, the choosing one over the other will be easy. That's not because one is truly superior to the other, but because their differences make for some very clearly definable choices.
Also helping is that the JVC is $12,499 while the Epson is $7999. In fairness though, JVC makes an identical lower cost projector at $8499, the RS5710/X700R... Difference - quality control. Per JVC, all the best parts - best optics, power supplies, etc. go into the RS6710. The rest go into the RS57/X700R etc. JVC's been doing this for about 5 years. A few years ago we did get to review the standard and "best" versions and we could see a difference, notably in the optics.
In this comparison, I'll go into all the usual - the differences in sharpness, brightness, placement flexibility, color, shadow detail, black level performance, but on this first page, I'll start by discuss the biggest difference - 4K compatibility. If that doesn't help you decide, then you can dig into the rest.