Wirelessly posted (Mozilla/5.0 (iPhone; U; CPU iPhone OS 4_2_6 like Mac OS X; en-us) AppleWebKit/533.17.9 (KHTML, like Gecko) Version/5.0.2 Mobile/8E200 Safari/6533.18.5)
For seamless Mac OS integration, Airport is the way to go; like all Apple products, they are well built and generally work without much hassle.
If price is an issue, Linksys Routers are a great alternative. At my parents house, I set up a cheapo, entry level N model, and it's still running great after two or three years of daily use.