Sorry for your loss, Don, but it's good to hear you're putting the pieces back together.
Anderton uses a Tascam 2x2, so that might be a good bet.
http://forum.cakewalk.com/FindPost/3484998 I use a 2nd gen Focusrite, and it has worked well for me. Nice freebies, too.
You probably already know this, but Tascam is a Gibson brand, so you should be well covered for Sonar compatibility.