from the looks of it what your looking for 6legz is a VERY typey chihuahua... good apple head, "small" dog, large errect ears and big bright eyes in a lighter coat color...
honestly shoudlnt be too hard.
from what you told me before about size your looking right within breed standard at 3-6 lbs, i will say i have 3, my 3lber is VERY tiny, mabe too small for most firstimers, 3lbs is hawk prey sized, hes built correctly (a chihuahua is a stocky little dog when bred to standard) but hes still incredibly delicate.
rosie is 4 1/2 lbs and vixie is 5lbs...
quite honestly of the 3 of them id say 5-6lbs is the PERFECT size for most wowie owners, anything smaller is just tiny, anything bigger is out of standard...
while for some this isnt an issue it definatly seems like your looking for something VERY close to the ring standard.
and i have to applaud you on having a good idea of what a chihuahua from a good breeder should look like, and even more so to be willing to wait for the right puppy and doing your homework before hand!
this is a WONDERFULL breed for the right person, and if it wernt for the cresties pushing their strange nekkid ways into my heart the wowie would definatly be my "top toy breed" though there definatly a very close second!
im definatly going to check into a couple of breeders in canada that some aquaintences of mine know of, once i get their details ill send them your way...tis the season for everyone to be insanely busy with family stuff lol..
for those members in canada, i tried searching online for the chihuahua club of canada with no luck, im sure you guys have breed specific clubs and if they have a website with a list of breeders that would be a great place to start!
generally members of a specific BREED club (in the usa it would be the chihuahua club of america) uphold stricter standards for their breeders than those who just breedin under a general registration system (aka ckc) so a breed specific club would certaintly be a good place to start.
i am going to give you the link to the chihuahua club of americas breeder referal page.
while of course they cover the USA, you might want to look into breeders in NY and other states that border canada, it may also be worth looking into states further away if they have dogs you realy like...if you decided to buy unseen however you need to be even more diligent about choosing your breeder...so please feel free if you find anyone you like in the states id be happy to check into them for you.
also might be worth contacting breeders through the chi club of america to see if THEY have reccomendations local to you, breeders tend to network, and if you see a breeder with dogs you love you never know they may have sold a dog from lines you like to a breeder in canada or otherwise closer to you.
CCA-Breeder Directory