Cisco has a new Conference Phone The CP-7937G

Smith on VOIP has a good review of it Here.

Some of the features not mentioned in the review, but worth mentioning here are:

• Superior wideband acoustics with the support of the G.722 wideband codec
  
• • Support for IEEE Power over Ethernet (PoE) or the Cisco Power Cube 3
  
• • Expanded room coverage up to 30 feet by 40 feet with the optional external microphone kit
  
• • Support for a third-party lapel microphone kit
  
• • New larger backlit liquid crystal display (LCD)

Cisco's Data Sheet for it is located here.