best mods for gta 4?

please let me know what are hte best mods for textures, cars, character models, or anything else!
screenshots or pics are welcome!

http://www.gamespot.com/forums/topic/28752510/incredible-gta-iv-graphical-overhaul?tag=topics%3Btitle

on the front page..

There have been many good mods in the past but the new iCEnhancer really takes the cake. Its astonishing to look at. Almost like a different game