Sure do. Here's all of my (except the Hasbro from ages ago) 1/6th scale R2's.
They are Sphero, Hot Toys, Sideshow, & Tamashii. It's been a while since I've held the Tamashii, he usually sits in a Detolf next to 3P0. I forgot how heavy he is!
I kept the attachments out on them (if they had...