In the small/inexpensive mic category I almost always greatly prefer the sound of omnis (although the CA-14 aren't as small as say, the CA-11). It just seems that when you get below a certain form factor, it is very difficult to make a rich-sounding cardiod mic, while even the tiniest omni mics like the Countryman B3/Nevaton MCE400/DPA 406x sound great.
As you already know, with the omnis, you'll need to get close.
Just out of curiosity, do you still own those Sonics? Personally if I had a set of those and was self-mounting, I'd probably run those over the -14s, if for no other reason because the SS are easier to mount on glasses.