normaly i wouldn't post but i'm seeing great potential in this game based off two screens i've found.
good base for lord humungus

good parts for the badcops aka gayboy bezerkers

now as for the costumes i've seen things that look like they are stapled on and one guy even put a crown on his chin which again sudgests major abilites to customize the characters look and add to these custom costumes.
but it gets better. they have a desert that looks close to the one in the outback...not the same vegitation mind you. but you can make your own tracks very easily using the control sticks. so making the roads in road warrior would be not so hard to do you could even do some locations from mad max itself. but you can't place cars in the level which kinda sucks. and no 3d modeling for those with my skill set so making the compound wouldn't be very easy either as they have prefab houses.
the cars have a big level of customization but from what i've seen so far there is only so much you can bolt on so a little bit of improvinzation will have to do but the decal system is amazing and could easily make the paint and decals from the the cars we know and love in the movies.
besides i've written to the studio's and if they are anything like the people who do LittleBig Planet they'll shoot me back some small answers that they can reveal. there are all sorts of classes of vechiles to use as carts from vans to semi-trucks to your basic ameican v8's so it should be interesting to see what we can and can't do when it comes out later this year.
but wait there is more. hopefuly if nothing else my writting to them in a formal manner will spark their imagination to try to get the liscense for either australian muscle or movie cars. because there is always talk of expansion packs and i figure if big planets still going this strong 2 years in then surely these people will keep updating the game in ways we can't even imagine...maybe even ingame modeling.
well thought i'd share i am stoked and will be buying this despite the lack of ingame modeling because i know i can make do thanks to the youtube videos i've seen of beta testers bolthing things onto their cars.