1Heat oven to 350°F. Grease bottom and 1 inch up sides of 10-inch springform pan. Sprinkle bread crumbs in bottom of greased pan. Tilt pan to coat with crumbs 1 inch up sides. Shake pan to evenly distribute crumbs across bottom.
2In large bowl, combine sour cream, cream cheese, cheese spread, taco seasoning mix and eggs; beat until smooth. Fold in chiles and pimientos until well blended. Spoon into greased crumb-lined pan; spread evenly.
3Bake at 350°F. for 30 to 35 minutes or until center is set. Cool about 1 hour or until completely cooled.
4To serve, remove sides of pan. Place cheesecake on serving plate. Serve with tortilla chips for dipping or crackers for spreading. Store in refrigerator.