Babies on day 2 and 3 are often unsettled. They do feed a lot at this stage, it's Mother Natures way of helping your milk supply.
Feed on demand, co-sleeping in the early days is great for survival, so you can snooze whilst they do feed. Put them in a sling if unsettled if you have things to do, as it'll soothe them and leave your hands free
The housework can wait, try to relax and sleep when they sleep.
Don't mistake the fussing for them not getting enough milk from you and replace feeds with formula! You're doing great and sound like you have plenty. Fussing may also be wind related. You could try some infacol or gripe water at every feed for a while as that can help, if you're not using one or the other already. Make sure you wind them well and maybe wind them half way through every feed as well, if it helps? Make sure you're drinking plenty as well and eating lots, so that your milk supply is plentiful as well, just in case Worth trying all the avenues, just in case.
The [[http://www.kellymom.com/bf/start/basics/index.html kellymom website] has lots of advice on engorgement and tips on how to deal with it and other common concerns with BF babies, such as latch.
Attend BF clinics or call La Leche, their phone line is free and ask any questions of them you need to put your mind at ease. You're doing great.