The big button ETen dialer works with WM6.
I use one skinned by Pauly (dialer cab is included with the skin package)
http://www.paulya.com/etenskins.htm
also look at these skins (skin only, no cab)
http://pdaphonehome.com/forums/showt...=71577&page=11
If you use the smart dialer (i don't), try
http://forum.xda-developers.com/viewtopic.php?t=48325