I guess its a matter of perspective.
In Canada, we like the loonies. Banks maintain floats of loonies at a very respectable level. Its pretty hard to ask for more than $3,000 in cdn bills - but there is more than a good chance you can ask for $1,000 in loonies without *too* much difficulty. The bill cash is suprisingly difficult to get, and even the largest branches will make you "order" bills and wait a few days, if you want more than a few thousand $. Having a few thousand dollars in dollar coins in Canada is "normal".
Noone ever "coin roll hunts" $1,000 boxes of loonies - Its just too expensive, and you will never get a loonie older than 1987. At most, I've heard of people picking up a roll or two to look for a lucky loonie. There was zero collectability of loonies until 2002 (15 years after introduction)
http://www.coincanada.ca/products.html A single $2,000 box of toonies, or $1000 box of loonies is roughly the size of a box of nickels - skinnier though.
I've heard its fairly easy to ask for as many $100 bills as you want in the US, you don't even have to "pre-order" them.