Personally, I don’t think lessons are all that great. If you get the chance to take up some, go for it, but you can do the same thing just by reading from a book. It may take longer and all, but it’s cheaper and I think you can get more from it.
Another thing, learn to read tabs. Don’t worry about reading sheet music yet, I’ll give you an 90% guarantee that it will make you almost wish to quit learning to play. If you already can read some sheet music for another instrument, you’ll fall under that other 10% maybe. I always find learning to play first is better than learning to read. Tabs though, simple to learn. Seriously you can learn to read them in like 5 – 10 minutes. Once you know how to read them, practice!
Practice playing some of your favorite songs that you can learn from tabs. I’ve been playing for about a year now and I still don’t know how to read sheet music, but I can play the guitar well. All because of tabs and plenty of practice.
Really, just learn to read tabs, get a book to set up a guideline and learn new things, and then just practice during those TV commercial breaks. ;)