[raynor]

If you've researched the max level in Phased Shields, I would put just those on your ship. The only time you might put regular shields on your ship instead of just phased shields would be if you had only the first level of phased shields and wanted a higher shield number going up against empires without phased energy weapons. BTW, very few races seem to research phased weapons so IMHO it usually isn't worth it to research them.