Remember the shops will still be open when you have the baby so no need to go mad! The baby might like to sleep next to you in bed at first. Some babies hate Moses baskets with a passion.
You need basic clothes: vests which have envelope necks and which pop at the crotch. You can get packs of five or six from Mothercare, John Lewis or supermarkets such as Tescos or Sainsburys or Asda, and you can order online.
Sleep suits: not just for nighttime, babies can wear them 24/7 when new. 0-3 and a few newborn unless you are expecting a big baby. Mine was 9lbs and wore newborn for ten days only. Again, five or six is fine.
Muslin cloths, again, from the shops mentioned above. Mop up sick or wee or spit up milk, use as bibs, drape over your shoulder to save your clothes when cuddling.
Nappies (diapers) can be bought from chemists (drugstores like Boots or superdrug) or supermarkets often have bulk deals but don't go mad at first as some babies don't fit certain brands so experiment.
Most people wash new baby kit as it's got chemicals on when new to keep increased and moth free which can irritate baby skin. Use non bio sensitive detergent.
A cheap padded plastic change mat can be laid on any convenient surface. Babies can go in the big bath with you or even in the sink so you may not need a baby bath. Anyway, they don't get very dirty at first, so warm water, cotton wool and washcloths can be used to wipe them down. Even baby shampoo and baby wash can Ireland them and baby wipes are quite harsh.
A rucksack or canvas bag can be used instead of a posh change bag and you can get disposable packs of change mats to use when out and about.
If breastfeeding, Kelly mom website and La Leche League e great advice as does this sites breast and bottle feed forum. You should alswo be able to find breastfeeding cafes and support groups locally - many health professionals are not all that great with specific BF help so it pays to look at what help is around til you master the skill with your newborn. A stool and breastfeeding cushion can be useful but can often be borrowed or just put phone books under your feet
Cellular blankets can be bought from Mothercare and supermarkets and are safer for babies as they have little holes in case baby gets it over his face.
For cribs/cots you need fitted cotton sheets - avoid cot bumpers and frilly stuff, which attracts dust and can get tangled in the baby and is a suffocation risk. Some pillow cases fit Moses baskets.
Swaddling babies often helps newborns settle as they like to feel cosy and warpped up like they were in the womb. White noise, such as a hairdryer or Hoover or a downloaded ocean or White noise MP3 can help settle them - again reminds them of being inside.
Basically they just need your cuddling arms, breasts if BF, soft cotton snuffly things to wear and be wrapped in and wiped with, and somewhere warm and safe to sleep, which can be your bed if you want - google safe cosleeping.
A sling - soft stretchy jersey ones- can be useful to carry your baby while you think about what sort of pushchair or buggy you need.
A car seat.
A supply of drinks, frozen meals and snacks for you. You will be spending a lot of time on the sofa.
Big sanitary towels for post birth - Kotex night time were good I recall.
You can always send a friend or partner out for supplies once baby arrives. Good luck!