I don't think there's a topic for this yet, so here goes...
There are many, many coaster out there and some of them look particularly awesome. Post pictures and information on roller coasters that you think look good, or amazing pictures of roller coasters, etc...
I'll start off with the reason I started this topic; Playcentre's Looping Star:
I love those colours! It's a shame they haven't been able to keep it looking quite like that now. :/
Here's an off-ride
and its RCDB
So that's what I found. Would anyone else like give praise to any particularly good-looking coasters?