I would look at packaged deals from some oem, like (cough) dell or HP. Intel no longer manufacturers motherboards.
There are many, many processors available. You need to know what you want. Selecting on price and going with the cheapest, well, you get what you pay for.
You can examine and compare processors here:
Hello Al.Hill, thanks very much for the answer. I donno much about computer hardware. I am just looking to assemble mini pc for work to go on lean budget. Thanks, your answer is a lot helpful.. I will check the link. But still I would like to know which processor is best for basic computer usage like accesing emails, using ms office kind of things. I will try to find it through the link.. hope i can make it! thanks and good day :)