When I was buying my second handgun and had a better idea of what I was after, yes high capacity factored into the purchase. I bought a Glock 21 during the previous AWB when all you could get were 10 rounders. All the 1911's were 7/8 shot, a few other ones I looked at were at most 9. It was the highest capacity .45 I could find at the time that wasn't an arm and a leg.
I know...comparing a Glock to a 1911, not trying to debate that....the Glock felt more comfortable to my hand.
After the ban expired capacity still played a role in everything I bought except for the bolt action rifle. My thought is give me the highest possible and practical capacity for the gun.