Agreed. My experience with
DC is that they're still too fragile for their cost and while they destroy
GEQ with ease the rest of the army is pretty good at that too.
SG give you reliable damage against characters, vehicles and heavy infantry and are very resilient with their 2+ save and usually a 5+
FNP from the banner. I'd love
DC to be good but I've just not managed to get them to work well yet.