Las Vegas bettors correctly went with their hearts over the pointspreads last week, wagering on hometown UNLV to pull off a pair of NCAA Tournament upsets and gain a coveted Sweet 16 berth. Playing more than 1,500 miles from home in Chicago, the underdog Rebels eliminated 1 1/2-point favorite Georgia Tech and then raced past No. 2 seed and 6-point choice Wisconsin to earn the right to meet Oregon in the Midwest Regional in St. Louis on Friday night.