UCS was a fantastic product and changed the industry. Now it's just old and tired. The UI is way out of date, the blade workload doesn't match modern application requirements, automation has been ignored (I hear UCS-Director is all but dead).
It's the same ignorant product management Cisco is famous for. The field bangs the drum over and over but get shot down and told "We know what customers want" by people who never leave Tasman Drive.
Anyone looking to the future doesn't even care what operating system their workloads run on, let alone the hardware platform and networking! UCS could have been great (automation layer, easy to steer workloads on it, make racks really good). Instead it's just below mediocre. Expensive too.
I'm sure the amazing DC specialists will still manage to sell some (or at least attach their name to Salesforce just in time).