"Ask most people to name a Mexican beer and they'll name Corona. Coincidentally, if you ask most people to name a bodily fluid, they'll name urine."
- John Carroll explaining why Dos Equis > Corona.
There is more than one brand of these things and you can probably get them from you LHBS.
I have tried a NNL Bohemian Pils in the HBS which was done with ALE yeast (just so the most basic punter tastes what they will make at home) and it was fantastic.