you can get your dsi used on cragslist for 70-150 dollars in a store you can get it for $150 (plus tax's) i got my dsi off cragslist but if you want it new you can get it from walmart*
try walmart
The current price of a DSi is about $145. However, if you have a DS Lite or DS, then you can trade that in for about $70 to reduce your costs.
walmart
Walmart,Sears,and Staples
In the USA the Nintedo DSi at Gamestop or Walmart can be about 169.99 plus tax.
it comes with the dsi but if you ruin it you can buy one at walmart for 15 dollars
$149.99 at walmart but at eBay it may me cheaper or amazon.com
the same price
walmart
trademe
no fools