Humanity sucks in general, Star Trek style future where everyone just decides not to be greedy would be great but just won't happen. Our entire culture is based on getting what you want as soon as possible.
If we abolished money, and helped FAIRLY build up everyone to the same level of living around the world the so called first world would essentially be put on the backburner for years while we poured resources into 3rd world countries, housing, sanitation, manufacturing, farming, etc, etc. The problem being the 1st world people are the most capitalist and greedy, hold all the power and would have to give up the most essentially to end up in a non greed based society.
Asides from making massive strides forward in technology/science in general basic living standards, some people live in £10 million mansions without even using 3/4 of the rooms while others live in box rooms with families, its mental how unfair the world is in general, sickening actually. But as said the way to fix it would involve the 1st world going on pause while we all helped the 3rd world, something no one will do.
Ideal society is essentially, everyone has a comfortable but not lavish or insane place to live, there isn't money, no one works 9-5, people with specialised skills like doctors work only in their jobs, other people work essentially part time(getting rid of all the waste) and spend more time just enjoying life.
People need to spend free time, reading, learning, essentially bettering themselves rather than wasting away behind a desk with needless work. People could put as much time as they wanted in to research or learning, and with money and greed abolished there would be no reason to make research secret or private with no patents to grab or money to be made.
Seriously if you open up ALL worldwide research and have people collaborate and give each other idea's we'd be SO far ahead of where we are now. Rather than millions of people all trying to help each other to crack cold fusion for the betterment of mankind, we've got hundreds of thousansd of small independant groups trying to crack cold fusion themselves, in an attempt to make a buttload of money.