At my level, the racquet itself can't do much to improve my game. It's more about not choosing one that is totally wrong for me, like a player's racquet. Maybe technology is more useful for players who can benefit from and use it. In my opinion, racquet tech is of little benefit for 3.5 and below.
Head Microgel Radical MP, a bit 'o lead | Babolat Xcel French Open 17ga @ 60lbs