David12, I agree with your first point, but I would point out that ARC generally has a 3 yr minimum sales life on a product before an updated one is released. I think the Ref5se came out in 2011. The Ref 6 came out in late 2015.
The "upgrade treadmill" would not continue to run if each product were not a significant upgrade to the prior one.
For myself, having been on the treadmill, (ref2, ref3, ref5, ref5se and now ref6) I have found that the resale prices on these units are very good, so the upgrade is really not very painful. And the value for the used purchaser is excellent. The older products hold up VERY well against current competitive products from other manufacturers.
The "upgrade treadmill" would not continue to run if each product were not a significant upgrade to the prior one.
For myself, having been on the treadmill, (ref2, ref3, ref5, ref5se and now ref6) I have found that the resale prices on these units are very good, so the upgrade is really not very painful. And the value for the used purchaser is excellent. The older products hold up VERY well against current competitive products from other manufacturers.