San Antonio could replace the cry "Remember the Alamo!" with "Don't forget the Spurs." Many NBA observers predicted pre-Playoffs that Dallas successfully would defend the NBA Western Conference crown it won a year ago and go on to emerge victorious in the Finals. Some would-be lawyers and present-day Professional Handicappers League members make a strong case for the Spurs, however. The two Texas clubs already have displayed vulnerability and are 1-1 entering the third game of their respective opening series.