Greetings!

I'm looking for a premium G-spot vibe to use on my wife in concert with oral sex, and I thought I'd ask here for more experienced opinions from both men and women.

She currently has one vibe with a slight curve, but I want better access (her G-spot is fairly deep), coverage, and control for me.

I thought I'd just list the ones that interest me, give my thoughts, then ask for opinions. Cost isn't much of a concern. I don't want it to be cutesy, and it's a bonus if it's not a feminine color (no pink).

LELO Gigi - certainly seems to be the most popular G-spot vibe, but when the man is in control is it still the best?
Extase Zenith - A powerful egg on a stick, seems pretty straightforward and effective. I have one concern - since it is rigid and gives pinpoint control, would it be too easy to accidentally get too rough on her pubic bone?
LELO Mona - The other end of the spectrum from Zenith - broad coverage, would this be an advantage?
Close2You Harmonia - The shape and flexibility seem perfect, but is it powerful enough?
Couture Collection Celestial - Again shape and flexibility are nice, color is a downside.

Which am I leaving off that deserves to be on the list?

Looking forward to hearing opinions & experiences, thanks in advance for your responses.