Please help me decide what I need for a small business network [closed]

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http://serverfault.com – I have a network at a small office (about 15 employees) that is often going down briefly or becomes impossible for certain computer to join unless the whole router is restarted. I am thinking of upgrading to a more small business like setup. I would prefer to have most people wired and our dinky home cisco router is full, so I think we will be needing/wanting a switch and wireless router combo. The two that I am looking at: http://secure.newegg.com/Shopping/ShoppingCart.aspx?submit=ChangeItem And http://www.newegg.com/Product/Product.aspx?Item=N82E16833150128 Should I be looking at b (HowTos)