You may lose A/C effectiveness at low speed. My truck will turn into an icebox even at idle, whereas my wife's Jeep with just an electric fan won't get decently cold until you get moving at speed (which is why she is getting the heavy duty cooling kit with clutch fan).
2003 Ram 1500 QC Hemi Lonestar "Big Red" (Mods list in profile)
2006 Charger R/T "Little Red"
Sarcasm - it beats killing people