Wow - so much great glass, so little time!
A few of my very favorites are:
EDP (Effetre) purple
Crocus (CIM) an orchid purple - gorgeous!!!
Dark Periwinkle (Effetre)
Heffalump (CIM) a lighter, more opaque lavender/purple
Opal Raspberry (Reichenbach) 104 - a pretty darker pink with no diva tendencies!
Black - I use TONS of black! Hades by CIM is a good black that doesn't bleed, but I use lots of Effetre black also
Chalcedony (Gaffer - 96 COE) a wonderful RAKU-like glass that can be used in small amounts on 104 COE
Acid Yellow (Effetre) a bright lemony yellow
Pea Green (Effetre)
I'm sure there's more, but those are probably my current fav's.