Illinois residents without health insurance were poised to get substantial price breaks on hospital care under legislation passed in the spring, but the deal could be falling apart because of a recent amendatory veto by Gov. Rod Blagojevich. The bill would have guaranteed uninsured Illinois consumers the most generous hospital discounts in the U.S. and capped what they spend annually on hospital care. An estimated 775,000 families in the state would have qualified financially for assistance.