For the theme part, NO. There is no theme that will make you get this look, however;
You can Flash your phone to a new ROM.
Here's how to flash:
http://forum.xda-developers.com/showthread.php?t=508084Here's a couple of ROMS you can try to flash to;
http://forum.xda-developers.com/showthread.php?t=590377 (NOT with the newest sense, like the one you see in picture)
http://forum.ppcgeeks.com/showthread.php?s=bdbe0272519938830fdc6b3e937fdf4e&t=69545Or this one
http://forum.ppcgeeks.com/showthread.php?s=bdbe0272519938830fdc6b3e937fdf4e&t=102644 (QUITE COOL ONE! )
http://forum.ppcgeeks.com/showthread.php?t=94475Otherwise, try search for Touch Pro CDMA ROM , or Raphael CDMA ROM... You'll find something that you like, I bet ya.
In Edit contacts you can set a personal Ringtone. Just make sure your contact is a Outlook Contact. (Try making a new one; New Contact, New Outlook Contact, Info blah blah blah, and scroll down to you see Ringtone. Select and your good to go) Only thing is that the ringtone you set won't be played when a new SMS/MMS is incoming.