Feeding pillow - I have a U shaped one and it does make the feeds so much easier.
Lanolin - I use purelan and once you don't need it for the nips - its great for lips
And for me the hydrogel breast discs were a savior, straight out of the fridge and on to sore cracked or blistered nipples. Some nights I wouldn't have gotten any sleep with out them.
Oh and water bottles everywhere!