25/08 can be fired in a 243 is no reason not to introduce the round, the same can be said for a lot of rounds already on the market. How do you know how much demand there would be if it is not on the market. Pure speculation. If there were anywhere near the fanfare published on a 25Souper as there was with the short mags, they would sell. The 257Roberts is an excellent round but the buying public is not educated to that. An article every few years on the Roberts won't sell them. A rush of articles on the new 25Souper that equals the velocity of "The fine 257 Roberts" but in a short action with modern powders and a wide selection of bullets the improved version will "crowd" the excellent 25/06. Less recoil, shorter action, lighter rifle, etc. Yep! Think a case could be made for it.Rick.