如何在。net类型化数据集或其他东西中选择n层应用程序?

So I'm doing a project. MS SQL->WCF->Client (win32 application + asp.net MVC 3 web) I have worker with ado.net typed datasets till now, but now I have question... What's your opinion what should I use for WCF->Client Typed Datasets or something else? Performance (speed) is preety important also.... Thanks in advanceSo I'm doing a project. MS SQL->WCF->Client (wi