That's a glow powered model that comes with no colors on it at about $2K. And has a much smaller fuse then most other top line models. And produces no where near enough airframes per year.
The point is that with attention to good design and construction, any of the larger monoplanes can be made to make weight. Any of them. Wistmodel happens to excel in this area, having cut their teeth on competition sailpanes. There is plenty to learn from them. Electric powered versions of this model easily make weight, as do their larger bro, the Bravo.
This particular one was 9 lb, 5 1/2 oz when brand new in 2006 and powered with an OS 140RX. Now, with a 170DX, a 24 oz tank and a 2 oz surge tank, dual 850 mAh batteries & regulators and a new paint job, it still easily makes weight. Integrals have a similar fuselage construction and are among the larger fuselage volumes available, and the weight difference between the Prestige and Integral fuselage is minimal. Major difference in the two models is the landing gear system and stock wings & tail. With more attention to detail, any Integral or similar would have no issue making weight. I've got a pair of Xigris fuselages that are a little bigger than the Integral and they are extremely light as well. Throw away the stock firewall and make a CF/balsa firewall replacement, and throw away the conventional landing gear mount system and no one should have any issue making weight with the Xigris either. You need to demand more of the manufacturers. I've said it before - someone should just look at how Wistmodel does their landing gear and balsa/glass/CF laminations and just start doing that. You would be pleased with the results.