If it's the complete browser, then it is perfectly usable. I am using it to make this post, i am using it as my mail client, and i use it as my primary browser,

If it's the complete browser, then it is perfectly usable. I am using it to make this post, i am using it as my mail client, and i use it as my primary browser, only shelling out to chrome for websites that drank too much of the js cool aid.