According to http://www.jabosoft.com/?articleid=115 a patch has been released for Project 64 that fiixes lots of graphical glitches on N64 games, such as the skies in Goldeneye, and the lots of fixes in Perfect Dark, such as "Scanners (IR, X-Ray, Night Vision, Horizon), Slayer and CamSpy work."
[the following list of improvements is copied and pasted from a different forum]
Audio Plugin:
tarzan and hydro thunder to have audio now due to buffering changes
Input Plugin:
configuration dialog gamepad polling stops at first hit now properly
ported the polling order from 1.7 which should be more reliable
uses system keyboard names now
updated layout to be more like 1.7 changes
D3D8 Plugin:
bugfix: fixed a problem where the plugin could crash if it ran out of video memory
bugfix: fixed microcodes for blast corps, body harvest, ODT, and asteroids
1080: fixed europe region effects
40winks: fixed strange texturing issue
bangoi: sprite edges should look correct
banjotooie: fixed puzzle rendering and other regions
cruisin usa: brake lights work
dragonsword: menu text drawing and scaling fixed
drmario: fixed background in versus mode
fzero: fixed potential triangle overflow issue
goldeneye: fixed calculations of sky triangles
legoracer: fixed players going out of sight
mkart: fixed whomps in bowser castle
mkart: racetrack frame buffer support
oot: end of game subscreen issues
paperboy: fixed map drawing in game
pdark: fixed scanners
tarzan: fixed butterfly and health meter
vigilante8: fixed some textures
zeldamm: fixed day transition borders and lens of truth in snow areas
It would be great if this was complied into Surreal 64, for us loyal XBox fans.