Perfect Dark is playable with Rice 5.31. 5.60 will bug out when you get shot. Frame rates are acceptable using 720p and 2x Quincunx AA.
GoldenEye will crash if you get 3 or 4 players looking at each other in multiplayer. It also happens randomly. There isn't much we can do about it. Its still fast and pretty reliable for single player. Use UltraHLE.
I get a better experience in Conker using 1964, JttL, M64Plus RSP with RSP Audio listing on, and Rice 5.60. PJ64 gets a little choppy and the gfx flicker every now and then. I'm sure the ini can fix it, but it may drop the frames to something more realistic. 1964 also plays the cutscenes at a better speed. JttL doesn't stutter as much and LLE RSP uses more memory and cpu than the other HLE plugins. Frame rate is around 19-25 fps but closer to 21 which is pretty usable I'll say.

Edit: Wasn't there a GoldenEye mod for Perfect Dark?