$999 +$750 core charge which the shipping is deducted from.
http://www.ecutune.com/4eat.htm
Since you're in Canada the shipping is probably about $400 each way (from past experience) so you are probably better off just paying the $1749 and not sending a core back.
Yes an automatic transmission rebuild is well beyond the abilities of the average do it yourselfer..and a 4eat rebuild/upgrade is well beyond the abilities of the average professional automatic transmission rebuilder.