Mainly depends on the personal favorite is good, Granz C2 (S3) product appearance is very good, no bumps. Heating very quickly, the cavity is large, the photo taken looked small, noise, not very large,, stainless steel material is better to clean, control is not much difficulty, there is a manual, there are instructions on the panel built. r6 quality and functionality is good, the network is also connected to the very easy, the key function is a lot of, there is steam cleaning.