2500 BTR is in stock and ready to roll. When it comes to game reels, the Tiagras definitely have the market cornered, Spinning reels are the realm of Daiwa, Small baitcasters - Daiwa, Barra size baitcasters - Shimano, each manufacturer has its ebbs and flows with regard to technology. Which they usually only upgrade when the other has the upper hand. Example: Saltigas, they haven't had a major change for 6 years, why?, because nothing has surpassed their quality.
With regard to operators such as Nomad and other charters running all shimano gear, that is purely due to the fact that shimano will do deals, whereas Daiwa won't.