Glass beading will give you a brushed aluminum look which will be dull. You can clear coat it to give it some shine and make it easier to clean however it will not look like smooth polished metal.
In order to get a polished look you will need a wire wheel and some scotchbrite. You can use a dremel, a wire wheel on a bench grinder will be much faster. Its tough to get a nice evenly polished look, but it can be done. You would be better off glass beading and powder coating it.
Hope this helps.