I've found a few really nice "modern" quilts on Pinterest that have got me interested in doing something in solid fabrics. I'd just started thinking I needed to start collecting them when I found this pack at the Fat Quarter Shop. List of links to more modern quilts at the end of the post.
When I look at the "modern" quilts that I like, they are just about all made with all solid colours. I think this is probably the thing that sets them apart from more traditional designs (except for Amish of course).
Here are some of the ones that got me thinking: