People were talking as if the 2 days missed from NSMB2's opening week were a huge deal, but even with 2 weeks it hasn't reached either NSMB or NSMBW's opening week.
Comparable to LTD of consoles.
[NDS] New Super Mario Bros. (Nintendo) {2006-05-25} 865,024 / 865,024 | NDS LTD 8,389,168
[NDS] New Super Mario Bros. (Nintendo) {2006-05-25} 315,197 / 1,180,221 | NDS LTD 8,530,053
[NDS] New Super Mario Bros. (Nintendo) {2006-05-25} 242,932 / 1,423,153 | NDS LTD 8,644,185
[NDS] New Super Mario Bros. (Nintendo) {2006-05-25} 204,007 / 1,627,160 | NDS LTD 8,845,841
[NDS] New Super Mario Bros. (Nintendo) {2006-05-25} 169,852 / 1,797,012 | NDS LTD 8,996,173
[WII] New Super Mario Bros. Wii (Nintendo) {2009-12-03} 936,734 / 936,734 | WII LTD 8,906,104
[WII] New Super Mario Bros. Wii (Nintendo) {2009-12-03} 464,824 / 1,401,558 | WII LTD 9,048,042
[WII] New Super Mario Bros. Wii (Nintendo) {2009-12-03} 570,512 / 1,972,070 | WII LTD 9,256,077
[WII] New Super Mario Bros. Wii (Nintendo) {2009-12-03} 513,080 / 2,485,150 | WII LTD 9,473,009
[WII] New Super Mario Bros. Wii (Nintendo) {2009-12-03} 255,494 / 2,740,644 | WII LTD 9,689,942