QUES: The only caution is that the Asus Eee PC 1005HAH model is in my opinion has the glossy design which of course depends on ones taste I guarantee there are others who prefer the shiny screen rather than the ordinary dull design

correct the punctuation.

CORRECTED: The only caution is that the Asus Eee PC 1005HA-H model is in my opinion has the glossy design, which of course depends on one's taste I guarantee there are others who prefer the shiny screen rather than the ordinary dull design.

QUES: You establish reality by finding something with which you both agree

correct the punctuation.

CORRECTED: You establish reality by finding something with which you both agree.

QUES: Therefore fits Switzerland as conference room for all the worlds countries

correct the punctuation.

CORRECTED:
Therefore fits Switzerland as conference room for all the world's countries.