Power developer Al Adelson is courting the aging Portofino waterfront condominium in West Palm Beach with a $150 million offer that some owners call a life-changing windfall and others an unwanted eviction. Adelson, who built the ultra-luxury Bristol condominium on the city’s Intracoastal Waterway, has touted Portofino’s North Flagler Drive location because it also sits directly on the water and could be razed and rebuilt to give more units ocean views. But owners in the 56-year-old building are at odds. Both sides are hoping to sway the other with casual hallway chats, and formal in-depth white papers on the…..