Could you buy a Nexus 7 tablet, try out the newest version of stock Android (aka as it was meant to be), and then return it if you don't like it?
Probably the cheapest and wisest option. You get to see android at its best for the least expense. You can then decide if its for you, and suitable for your daily need. It may be a case that the nexus gives you enough of an android experience.
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