Complex sentence: Walkman NW-A810/800 received great acclaim from CNET, which gave the gadget the Editor's Choice Award with a score of 8.0 out of 10, and was rated as "excellent".
Split into simpler sentences: Walkman NW-A810/800 receives great acclaim from CNET, which gave the gadget the Editor's Choice Award. It scored 8.0 out of 10, and was rated as "excellent".