While kits are easy and convenient, it is just as easy to put together your own. It doesn't take a lot of hard work or skill to go to the LHBS and pick up the bags of dme or weigh out the LME. Pick out the hops and yeast. Weigh and mill the specialty grains if the recipe calls for, and pick up the other little tidbits.
I would argue that a lot of the recipes on this forum are far and away more helpful for a new brewer than the instructions that you get in a kit. We are really talking about the ability to create a shopping list from a recipe, and excecute that shopping list.
Sure there is a possibility that the LHBS doesn't have the items in stock, but they may have someone to help sub, or you could call the store ahead.
I don't want to rag on kits, but really the best batches I have made have come from the recipes here. The other concern is a kit that might be collecting dust at the LHBS at 80 degrees on a shelf. Point is, fresher ingredients that have been properly stored can be had cheaper with a bit more work.
I say figure out the kind of beer you like, find a solid recipe here that a lot of folks have tried and get to brewing. It not like you don't have 76,000 friends here to help if you get stuck!