I had this company install gutters on my house last summer and they are beautiful! Steve is great to work with, does a great job and gets the work done in an amazing time frame! My favorite part of this company is that they are local and so are the materials they use. This winter, the snow did a number on them because I had failed to have him install the snow stops on my metal roof as he strongly recommended. He has been amazing to work with to get them repaired and get those stops installed even in the worst of weather!! I would recommend Design Gutter Systems in a heart beat; great company, great product and great service all around!
P.S. If you have a metal roof and have them install these beautiful gutters, I also now STRONGLY suggest having the snow stops installed as well. 
