Oh this thread kind of makes me laugh! I'm American, I'm looking forward to my US style baby shower (I'm 22 weeks), as it helps with the loneliness of being abroad while pregnant. My family has requested a baby registry, so they can send me gifts for the baby. But, in my family, the baby shower is where the entire family stocks up what you need for the baby, fills the nursery, paints the nursery, etc.. I'm not supposed to buy anything for my baby, as the family supports the new mom and dad. My mother says the reasoning is, you have more than enough to deal with, let us take care of what your baby needs for the first few months. They also know what we should need, as they've had their own children.
Its significantly more family related, and you have a barbecue, or large meal that people bring in. Sometimes you have it at a restaurant, and you hire out an event room for it. Play music, games, etc.. Its very community/family oriented, and people don't mention money, they just show up with what they can/want. My brother and his fiance had a baby, and for their shower I ordered their car seat, baby bouncer, and me and my sisters paid for their cot and pram. Her parents gave them a check, to help with money while my SIL is on unpaid maternity leave (we don't have paid mat leave in the US). I'll expect multiple gift cards to places where I can buy items for the baby, like Mothercare, John Lewis, etc..
But, this is just what we do in my family, and it might be a cultural thing for African Americans. We play games and celebrate the new baby arriving into the family. My sister is knitting and crocheting clothes, blankets, socks, booties, which will arrive on the baby shower date. Our family doesn't drink very much, so there's no alcohol unless someone brings a bit for themselves. While we're there, usually my aunts and grandmother would discuss breastfeeding and getting through the first few weeks with a newborn.
As my family is over 4000 miles away, they want to do this but as a Skype discussion with my family, while sending gifts to us. My mom is gifting us the cotbed, book cases, and changing table. My mom is also gifting us diapers for the first year of the our baby's life. My MIL (who is British) is gifting the pram and stroller. Its not like we can't afford it, but our family tradition means we're not supposed to pay for it. My friends in the UK are planning a US style baby shower for me, as they said it sounds like a great idea to help with my homesickness.