Pale Ales are nice and easy to experiment with, and nice and easy summer drinking
I'd recommend getting a couple of tins of pale liquid malt extract (or equivalent dry if you prefer) and experimenting with different hops - I'm in the UK so my pales tend to use a combination of Fuggles and Goldings, although next I'm going to try one with just Challenger. This is a great way to get to know one of your ingredients (hops) that will really help later on when you want to figure out your own recipes!
Alternatively, if you want to try an ESB, I just did a search of the forums and found http://www.homebrewtalk.com/f64/full...tra-esb-58437/
which sounds yummy - only use the sugar if you want it that strong! Also, for something like this, I just use dry yeast, normally safale s-04, and no yeast nutrient. I recommend using the irish moss though!