I wanted to "get into photography" a while back. Bought a D70 and ran it for a couple of years to make sure I really did want to get into it before spending a larger sum of money.
Then I went up to a D7000. It's a cracking camera, way better at photography than my abilities (though that is probably still true of the D70 if I'm honest).
I'd echo SickAsAParrot, Lightroom is a great bit of software, you can demo it for 30 days I think before deciding to purchase. Full price is best part of 100 quid, or alternatively if your that way inclined, you can rent it. Adobe do a Creative Cloud plan, you pay about 9 quid a month and for that you get Lightroom and Photoshop. You can trial the rental plan for a month also (i think). I'd trial the plan if I were you and then in that month work out if you want/need photoshop or just lightroom.
Bryan Peterson's Understanding Exposure is a book that usually gets recommended to beginners. I bought a copy and I'd say it's worth the cover price.
Other than that, there's 3 things I'd advise from my own experience going from total beginner to slightly more experienced beginner.
1) practice, practice, practice. taking lot's of photos and then working on them seems to be the absolute best way to improve.
2) don't be put off if you seem to be taking literally hundreds of duff shots in the early days. compact cameras and modern phones do an awful lot of work for you when you use them to take snaps. much of that you'll need to learn how to do for yourself with a dslr, and until you do, the results from your "proper" camera may well disapoint you compared to what you might of got just clicking away with a phone/compact. the bad shots aren't totally worthless. look at 'em, work out what you did wrong, and then you can delete 'em.
3) (try to) resist throwing money at it. within days of getting your hands on the new camera, if your as afflicted by the tech bug as most of us on this forum, you'll be pricing up lenses, tripods, flashes etc. the list goes on, the wallet empties. buy the gear if you've got the cash, but the thing is, a new lens wont magicly make all of your pictures better, lots of practice will.
have fun...