Get whatever feels best in your hand. Personally I'm not a fan of poly guns. The only one I really like is the walther p99. Here's a list of my pistol preferences to give a few ideas.

1911>Hi Power>P99>92F/PT92>XD>Glock>steaming pile of poo>ruger p90>taurus millenium

bear in mind those are just my preferences on how they feel and shoot, everyone is different