The Di2-equipped B2 is still going strong, but represents a weird price point. At $6,699, it's $3,000 more expensive than the lowest-end DA. But it's one of the less-expensive bikes to be equipped with Shimano's electronic group.
Felt has revamped its bike lineup, and is now offering its top-of-the-line DA model in several different configurations and price points. The high-zoot version with Di2 and Zipp wheels is still being sold, but other models are available all the way down to $3,999 for a complete DA bike with Dura Ace and Vision Metron components.