NVIDIA have updated their OpenGL Extension Specifications page, if you're into that sorta thing. The most recent updates being;
ARB_fragment_program
ARB_vertex_buffer_object
ARB_vertex_program
EXT_depth_bounds_test
IBM_rasterpos_clip
NV_float_buffer
NV_fragment_program
NV_point_sprite
NV_register_combiners2
NV_texture_shader2
NV_texture_shader3
NV_vertex_program2
More info. on these at NVIDIA.