INTEL celeron combo MOBO advice

Utkarsh Rai-

Honorable
Aug 31, 2014
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So I have a pre-assembled cpu but I spilled some water on the board so it got screwed up
it had-
Core2Duo 2.2ghz e4500.
2gb ram DDR2
.
SO I thought of upgrading to a new mobo (mini itx)
heres what I think.
GA-J1800N-D2H
http://www.gigabyte.com/products/product-page.aspx?pid=4881#ov

It has INTEL CELERON j1800 2.4-6 ghz
and supports DDR3 SO DIMM ram upto 8GB(ill use 4gb)(is 2gb enough)

My question now-
IS IT BETTER THEN CORE2DUO e4500 2.2ghz dual.
and will it support standard HDD 320 gb
and I have only a 160watt power supply.
-does it have ports for cabinets USB 2.0 CD rom
-IS IT ENOUGH FOR WINDOWS 7 and ms.office usage
-is its intel hd good enough for running videos at high quality and viewing pics.
and for very basic gaming( age of mythology,empires)
about processor-
http://ark.intel.com/products/78866/Intel-Celeron-Processor-J1800-1M-Cache-up-to-2_58-GHz