The retro-clone craze seems to have died down a little recently, which most new OSR games emerging focusing more on providing a novel twist or different focus to the games they emulate rather than providing a more loyal transcription. This is probably at least in part due to most editions of D&D now having a decent corresponding retro-clone, since games with an SRD as expansive as the D&D 3E one are ripe for cloning due to the extensive safe harbour the OGL offers for borrowing text. Whilst game mechanics in the abstract aren’t protected by intellectual property laws, having to rewrite stuff to the extent necessary to avoid a copyright infringement lawsuit is the main barrier to cloning a game which wasn’t released under the OGL. Still, that hasn’t stopped people trying.
The James Bond 007 RPG by Victory Games was a classic of its time, and is believed to be one of the first RPGs (possibly the first) with a hero points mechanic. Unfortunately, it was a licensed RPG, and just like Ghostbusters (the other major 1980s licensed RPG which showcases a bunch of game design innovations) once the licence inevitably died it was shunted out of print.
Classified is Expeditious Retreat’s attempt to do the gaming scene a favour by retro-cloning the James Bond 007 system. It has a distinctly no-frills presentation; whilst it isn’t devoid of examples or detailed explanations, they aren’t exactly thick on the ground either, and the layout is rudimentary but functional. (It isn’t quite “straight into MS Word in Times New Roman, single column, clip art images added here and there as appropriate”, but it’s getting there.) That said, they do make sure important rules which intersect with other rules are repeated where said other rules come up and generally have a good understanding of the fact that reduncancy is not necessarily a bad thing in designing a rulebook if it is done in a way which helps participants find material quickly.