I just got a Mimi Generation I and it's great for clit stimulation, and is a smaller, un-intimidating size, though it's not for insertion. The vibrations are good and strong too!
For insertion, evolved has two lines that you can find smaller diameter toys. Their "Lust" is textured if you like that, but only 1 1/4 diameter. They have others in that same line, or they have silicone vibes in their fleur de lis line, such as "Desire" that also have the 1 1/4 diameter. I believe both lines have ones without texture as well, you should check them out!!! Please note that I have not personally tried these, but I certainly plan to soon!!!
Good luck with your search!!!