Genco offers many choices for shingles! Check out the following links:

Certainteed
http://www.certainteed.com/products/roofing

Tamko
http://www.tamko.com/

Owens Corning
http://www.roofing.owenscorning.com

IKO
http://www.iko.com/

For maintenance free gutters, check out:

Gutter Roof
www.gutterroof.com.