nimitz
Foxconn made for gateway
The price of a Gateway desktop motherboard can vary widely depending on the model and specifications. Generally, you can expect to pay anywhere from $50 to $150 for a replacement motherboard. For specific pricing, it's best to check online retailers or Gateway's official website for the most current options and availability.
Depending on it's size, it would likely have either an ATX or microATX motherboard.
Host Adapter
mb.wm902.001 This motherboard is also used in some Acer models.
if you do not know where to find the answer for that, buy a computer that is complete already, is my suggestion to you.
The Gateway FX4710-UB003A is designed with a specific motherboard and chipset that may not support Intel i7 processors. Upgrading to an i7 would likely require not only a new processor but also a compatible motherboard, RAM, and possibly a new power supply. It's advisable to check the motherboard specifications and compatibility before considering such an upgrade.
Linksys E2000 Advanced Wireless-N Router - CNET Reviews is one place where you can find a comparison of a Belkin router with a Linksys E2000 router and you can make a best decision what to choose.
plugged into motherboard
Go to the manufacturers website. Or go to the website of the company you bought the computer from (ex. Dell, Gateway, Sony).
6
You can find some online reviews for the Linksys e2000 router at http://reviews.cnet.com/routers/linksys-e2000-advanced-wireless/4505-3319_7-34103434.html and http://www.pcmag.com/article2/0,2817,2365551,00.asp. It looks like a good router.