Micro - I have and use FF also. Chrome's performance FAR outranks FF - and the limitations on 'add-ons' available for Chrome probably helps keep it more secure (and certainly faster) than FF.
I use both. Opera - been there - will be back. It is a high end performer - as Due has oft stated.
Safari - just about as bad as IE on winslop machines. If'n youse gots a Mac - it probably rocks - but if youse gots a Mac - your a strange bird in the first place. (More money than cents.)

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