Argos: 179.99 euro Wal-Mart: 169 American or Canadian dollars
First of all its a NINTENDO DSi, with an i not an a.They go for around $169.99, but I got mine in all for $200 more or less because of the warranty (by the way, GET THE WARRANTY!), tax, and the case...
170$ in walmart and in gamestop.
you will get 70 $
on average £150