About half of those big box pictures are from Ancaster, the rest are from Burlington, Dundas and Hamilton. The town centre is a lot different than that of course, the power centres are not really "in" Ancaster. I have a picture tour of other parts of Ancaster, which has a lot of interesting architecture, too:
http://forum.skyscraperpage.com/showthread.php?t=140652
Hamilton is in the strange position of being younger than its suburbs:
Ancaster, Dundas, Waterdown and the villages in Flamborough are all older than Hamilton.