SA-
I shot conventional solos for three years on staff and watched my scores drop considerably when directly compared to shooting my twins, and my current hybrids shoot even better still. Top Touring Pros can win with anything, especially when they are paid well to do so--- so that holds little water IMHO, but it is interesting that many choose to shoot the OLDER conventional solo models!? I've found cam rotation is critical on many solos, so is holding with them-- if you creep one iota with some, you throw a flyer because there is only one cam controlling everything. Limbtip travel is also often not parallel, and some of the bows become "jumpy" also due to this. Some of them admittedly CAN be made to have straight and level nock travel, but there are simply too many variables to contend with IMO and you cannot offer modularly adjustable or drawlength adjustments on the cam and get it at all drawlengths with them-- you must go with a differing radius independant cam size for each specific drawlength setting when dealing with a true round idler on top, and even this has too many variables that come into play to warrant exacting specs with each bow. This individual drawlength cam stuff is not cost effective for consumers, especially when it comes to the fact that only a few companies offers a "standard" in drawlength and thus many differ greatly from company to company. This greatly increase the chance that one may need a different cam size should they measure incorrectly. With modules it is a simply $10 swap, with specific cams it is $100. And dealing with longer strings that could stretch when there is no need, etc etc etc the list just gets longer, and I've been over this a million times anyway and am really tired of it so this will be my last post on this subject... Bottom line--There is now a better mousetrap available IMHO.
I know many other top techs and manufacturers who believe the same thing, and soon there will be many more.. Up to you to believe what you wish.

Good shooting, Pinwheel 12