New light addition advice

[bunkbudz]

Hey guys, so im looking to upgrade my current light situation. Im in a 3x3x6' tent and I only plan on running 2 plants in this space at any given time as its still illegal in my state and more than 4 plants is a felony. My current light is a marshydro 300 with low hours on it so id like to keep it in use somehow.
What would you guys do with a budget of say $300?

 

[Parrot99]

Wouldn't even need $300, just 2 odd, grab a MARS 600 or 450 reflector as well? My tents a bit smaller than yours and I'm running a 3 and 600