I did some at university for a bit of fun and because I needed a creative writing unit, but nothing more than that. My ideal Bond 25 would look like this:
Bond is sent to Africa to investigate the disappearance of Felix Leiter; in reality, Leiter staged his own disappearance to get Bond out of London without arousing suspicion. Leiter has been looking into Hugo Vanderdaatje, a South African soldier-turned-businessman and Spectre operative who is trying to corner the market on colombite, a rare mineral that has shown promise as a near-room temperature semiconductor.
Picking up the trail Leiter had been following, Bond discovers that Spectre is operating on behalf of a Chinese conglomerate with ties to the government to secure the colombite reserves to give them a total monopoly. Their plan is to load a commercial rocket with a colombite bomb and detonate it in the upper atmosphere, making it look like a failed rocket launch. The bomb will disperse a colombite isotope through the atmosphere, causing widespread disruption to global communication networks. With the world's only reserves of colombite, the Chinese will be immune to the effects of the isotope, giving them economic and military superiority for a generation.
Bond thwarts the plan by disabling the altimeter that will detonate the bomb aboard the rocket before being recalled to carry out the exchange of Blofeld to the Chinese. The two discuss the Oberhauser identity and Blofeld's vision of a world without borders. Blofeld expresses disappointment at Bond's lack of imagination; he might have stopped the bomb, but the Chinese will not kill Blofeld for his failure as Spectre has other plans in motion, and that Bond is the only person who can kill him (this would become an important point for a proper adaptation of You Only Live Twice, where Blofeld's irrational hatred of Bond has very nearly destroyed Spectre and Bond feels compelled to make sure Blofeld is dead, even though he is no longer a threat; when the two finally confront one another, Bond points out that he never intended to kill Blofeld, but to use Blofeld's hatred of him to give someone else the opportunity to kill him).
As the Chinese arrive to collect him, Blofeld says "it's a shame, James - you were just starting to get interesting" before Bond is shot by a Spectre sniper.