Whether they are or not (and that's a very boring debate I don't wanna get into)... no, not unless the premium is huge and obvious.

Wikipedia sez: "Conspicuous consumption is spending on goods and services acquired mainly for the purpose of displaying income or wealth." That's not a very good description of why people buy Apple products. They're just not expensive enough or pointless enough to make a good target for your conspicuous-consumption dollars.

This is what conspicuous consumption in the consumer electronics field looks like:

http://www.goldphoneshop.com/