restocking 75 gallon tropical

OK Im redoing my 75 gallon tank as a planted tropical tank again. Right now its fully cycled and only houses 1 good sized fancy goldfish who will be relocated or traded in.

I want to do something that has lots of activity so my 3 year old will enjoy looking at all the fish. So I'm thinking either 2 or 4 angelfish, 2 bristlenose plecos, some platies. What else would work with that, I need some more stocking suggestions, I'm flexible on what type of fish other than I definitely want some angelfish as sort of the centerpiece.

Also plant suggestions are good too, I need low-medium light plants that do not require co2. I was thinking some amazon swords and maybe some java fern and java moss. I have a nice centerpiece of driftwood I can use. Substrate is play sand so need plants that don't mind that.

Thanks for the ideas! Some great suggestions to play around with as I look for good stock. There's one decent fish store about an hour from here, so will check them out next time I go that way. If I can't find all I'm looking for there, I'll look into ordering, which I may have to do for the plants at least.

The pair of angelfish sound good, and like the idea of cherry barbs and pearl gouramis with the platies and bristlenose. And maybe some cories too.

Update - got my new fish from liveaquaria.com!

Here's what I got:
2 small veil angelfish (not here yet, they are backordered )
3 rainbow platies
2 blue mickey mouse platy (one gave birth in shipping bag!)
3 kuhli loaches
7 red eye tetra
2 bolivian rams
3 trapdoor snails

So far all appear to be doing well although a little skittish but hopefully they will get settled in soon.

It still looks more empty than I thought it would but I think I need more plants. So far I have 3 java fern on a large driftwood, 2 anubias on a small driftwood, 3 crypt balansae, and some wisteria. I'm getting some java moss soon from another member on here, so that will give livebearer fry a place to hide. But I'm thinking I need a good many crypts and maybe an amazon sword or two. Unfortunately my compact fluorescent stopped working today, so I've got to get that sorted before I get any more plants but I know I will definitely need some more to make the tank looks less bare.

Would you add anything else to this tank or will it be good as is? I was thinking a few black mollies would be nice but wasn't sure if they'd work with the other stuff. And maybe a little school of emerald cories or a couple bristlenose plecos.

Thanks, my substrate is play sand so my kuhliis should be very happy with that. I knew cories prefer sand as well, so they would do well and add some more activity I think. I thought the angelfish would probably eat some of the livebearer fry but I do have a fish store that will take fish and give you a little credit so that will help or I could always offer them on craigslist or something.