In my main rig, I have 8 currently, and would need to replace it all to upgrade (4x 2GB DIMMs) and presently can't afford to build a new one for at least a few

In my main rig, I have 8 currently, and would need to replace it all to upgrade (4x 2GB DIMMs) and presently can't afford to build a new one for at least a few months. I do not want a browser to waste 4GB where it would be 1 with all the bloat stripped out.