The users experience in Remote Desktop is going to be controlled by one of three ways.
1) You can configure the options on the Remote Desktop Connection on each workstation. That is not ideal in any environment beyond one or two clients. You can control
2) You can open Terminal Services Configuration. Right click RDP and select Properties. Then under the Client Settings tab, you can control the color depth and device redirection for that Terminal Server.
3) You can utilize GPOs at Computer Configuration à Policies à Administrative Templates à Windows Components à Terminal Services à Terminal Server
Remember to test your users experience across the slowest network connection that will be used. Latency will drive up cost due to lost productivity, not to mention your users tempers. Easy ways to decrease latency is to limit the maximum color depth. Many application will work well in 8 or 15 bit color. Restricting device redirection may also help prevent non business devices from consuming precious bandwidth.