Pretty much anything metal geared. Those Futabas will work great.
+100oz./in on throttle
+150oz./in on steering

A 125oz./in on steering works on buggy also. It may work good-may not work good. I use the Ace 1015 (200oz @ .10) servos all the way around. I've been working them into my 10th scales also. 1/10th gas truck,electric truck & buggy. But you can't go wrong by getting any brand of servo with the specs listed above. There is a lot of servo talk just like this on this board so these are just kind of averages. The main thing to do is set the EPA's correctly and you should have long servo life.