I am looking to add a sub to my system and looked at the what hi-fi best choice, the B&W. However, I work for Currys and we sell the KEF Kube 2. With staff discount I can pick it up for over £100 pounds less than the B&W. Financially, it looks like a no brainer but will I regret not going for the B&W? Both subs pick up good reviews. Any advice or experience to relate from people who own these subs would be appreciated. Thanks!