The UMPC was unboxed by wow-pow blog yesterday from conics.net. At 7 inches and weighing 798grams, the specs are as follows:
The SC3 is slightly smaller compared to the company’s SX series but is about the same size as a VAIO U101 except for the keyboard size which is bigger. There is more information on umpcportal. If you want to watch the unboxing video in the full post.