Asians will give you more for less, but they aren't as sexy as white women. White women, while better looking and with better curves, will charge you more and give you less, non-withstanding Russian girls who offer a great bang for your buck.
How are you with the budget? If budget is a concern, go Asian or Russian. There is also 2 incalls in Toronto that are run by Portugese participants that is very good and cheap. $60 for the HH and $90 for the Hour. All inclusive. Including full service. Women are MILFs but good. Places are very clean. Both of them.