Ok I bought a guinea pig cage at amazon but I need your help knowing when it will get here? It says:Shipping estimate: July 27, 2009 - July 28, 2009Delivery estimate: July 30, 2009 - August 4, 2009 can you explain it on more simple words lol?and is this cage big enough for one guinea pig ?http://www.amazon.com/Midwest-171GH-Interactive-Guinea-Habitat/dp/B001NJ0DPY/ref=sr_1_5?ie=UTF8&s=home-garden&qid=1248125105&sr=8-5(I will be getting another guinea pig 2 weeks after I get my 1st)