My wife prefers blended orgasms that involve penetration and clitoral stimulation.
When we started with clit vibes she could orgasm - but one day she said that she needed something to squeeze on. Enough said - based on that we started with rabbit-vibes, but soon found that a good dildo combined with a vibe is a better combination.
For the longest time it was only clitoral stimulation, but then my husband found EF and I started watching informative programs on sex. Those two things opened the door to a whole new world for me. I found the elusive G-spot and I swear the pipes in my apartment burst at the same time.