Very good thinking. I was fooled by the NCT classes into mainly worrying about the birth.
You ask people, you panic, you worry and finally you make it up :).
The first 8 weeks are basically about surviving: try and stop baby shouting with a combo of feeding, sleeping and changing; and try to do a bit of eating/sleeping/changing yourself. You might not have time/inclination for the latter, but it's slightly frowned upon not to do the former.
When you ask the official experts (doctor, health visitors, midwives, baby book authors), and everyone else, they don't really know either. I got a load of extremely conflicting information, which was really hard when faced with very shouty baby.
Eventually I figured out that it was down to me to basically experiment with what worked, then stick with that until it stopped working, rather than trying to figure out the "official" advice, or what worked for other babies (since every little blighter seems to have their own quirks, c.f. oh, you know, everyone else).
Good luck :). Oh, and try and press gang everyone you know into helping out. Even if it's coming round and doing your washing up :).
And if you're breastfeeding, drink a shitload of water. You don't want your arse to seize up on top of all the other crap, believe me.