Ooh ooh I've just done mine - massive summer bag filled to brim!
I don't pack much for labour - nightie is basically it. I don't eat or drink in labour, don't listen to music because I'm utterly high and chatting crap off gas and air.
Baby after birth - nappy, vest, mitts, babygrow, hat and cardigan - packed in a little nappy bag.
Me After birth - shower gel, shampoo and conditioner, brush, bobble and headband/kirby grips, bra, pants, breast and maternity pads, nightie, soft slippers.
Babys hospital stay - 12 nappies, cotton wool, 6 each babygrows and vests, bundle of bibs and muslins, 2 extra hats and cardigans.
For hospital stay - 10 pairs of black pants, wipes 2 packs of maternity pads/night time sanitary towels, 2 comfy bras, breast pads, 2 nighties. Toiletries from 'me after birth' plus toothpaste&brush, blusher and lipbalm. Diluting juice, cereal bars and strawberry laces for me to munch on 
Baby going home - vest, socks, top and bottoms/babygrow/romper etc, cardigan and hat. Snowsuit depending on weather. Blanket/shawl, car seat, wee toy/comforter.
Going home - underwear, comfy bottoms - I've packed leggings, long top - mines a vest and really comfy shoes - df's flip flops 
I think that's it. It's awfully long but it all fits in one bag - £4 dealio from primark!