Northwest Austin Municipal Utility District Number One v Holder, et al, US Supreme Court, June 22, 2009 [upholding a controversial provision of the Voting Rights Act that permits the appellant municipality to "bail out" from the pre-clearance requirement of Section 5 if it can establish a history of compliance with the VRA].
Reported in JURIST's Paper Chase here. Latest commentary available here. JURIST has more on the Voting Rights Act.