my latest Graphic Enhanced mods Settings for GTAIV is already up on gta4-mods.com
see the preview..Download Link:http://www.gta4-mods.com/misc/spxenb-v6-evo-version-f23878
and see all updates of spXenb on this blog
Update 1:
Replaces old SSAO setts to this one (open enbseries.ini)
[SSAO_SSIL]
ApplyAntialiasing=true
SamplingQuality=1
SamplingRange=1.0
SizeScale=0.8
SourceTexturesScale=0.5
FilterQuality=1
AOAmount=1.5
ILAmount=0.0
EdgeLighteningAmount=0.0
SamplingPrecision=0
may decrease performance but fix ugly SSAO look on far building