Well I decided to try out the Tormach SuperFly Cutter on my G0704 and I'm glad I did! Decent MMR and most importantly to me - excellent finish!! I used a polished SEHT insert for aluminum.
Attachment 315208
DOC: .040, FR: 5ipm, 1800rpm for roughing and drop to DOC: .015 for a finish pass:
Attachment 315210
And it's COMPACT! The thing is tiny, but packs a punch.
-Mike