Your options are seemingly limitless. Using the search function and browsing through various 10gal journals is a great way to get ideas.
You can pick up a hinged glass top for about $5-$6 at most any LFS.
Lighting? There are tons of LEDs on the market that could suit your needs, whatever they may be. You'll need to determine the kind of plants you want and whether you hope to be low/medium/high light, whether you want to dose ferts and use CO2. Then pick your fixture.