I don't think there's a need for new smillies BUT if something could be done to make it easier to tell the difference between Sad and Mad that might be nice.
MXR Phase 45 -> Digitech Hot Rod -> Digitech Whammy4 -> Lovetone Doppelganger -> AKAI Headrush -> EHX Holy Grail -> Marshall MG 30DFX
Fender MIM Standard Stratocaster
Squier Jazz Bass
Westfield SR383 Acoustic
Ibanez 12-String Jumbo
And here it is Geeked for those with short attention spans: