Who doesn’t love to feast their eyes on the burgeoning array of spectacular green homes out there? Unfortunately, many are either out of reach of most budgets or too small, quirky and/or offbeat for practical living. Good news: More builders are offering green homes that won’t send you into bankruptcy or catapult you completely out of the mainstream. The following are just some of the available choices — including prefab, modular and sustainable subdivisions — for folks who want green but don’t have a lot of it to spend.