ANY commercially available small office/home router will work with both Macs and PCs. Some routers aren't as simple to configure as others, but I find that those are also a pain on PCs. There is NOTHING about networking that is Mac specific-it's all international standards, particularly with wired routers.
I like Linksys, but you'll hear others here say that Linksys is the devil... YMMV, but I've never had a problem using either a PC or Mac with my Linksys hardware.