― DVD buyers had Bieber fever last week; Blu-ray Disc fans, not so much. ∙ Paramount Home Entertainment topped the Nielsen VideoScan First Alert sales chart the week ending May 15 with "Justin Bieber: Never Say Never," while on the research house's dedicated Blu-ray Disc chart, Bieber debuted at No. 3, behind the month-old Warner release "Harry Potter and the Deathly Hallows Part I" at No. 1 and another Paramount new release, the comedy "No Strings Attached," at No. 2. ∙ "No Strings [...].