| Workflow-wide throttling | no | *yes* | |
 | Per-sub-workflow throttling | yes | no | |
 | Workflow-wide node categories | no | *yes* | |
-| Node priorities on sub-workflows | yes | no | |
-| Reduce memory footprint of large workflows | yes? | no | If used properly |
+| Node priorities on sub-workflows | *yes* | no | |
+| Reduce memory footprint of large workflows | *yes?* | no | If used properly |
 | Per-sub-workflow file final nodes | yes | no | |
 | Abort sub-workflows individually | yes | no | |
 | Variables associated with sub-workflows | yes | no | |
 | Separate configuration for sub-workflows | yes | no | Can be good or bad |
 | One node status file, etc., for entire workflow | no | yes | |
+
+*When should I use one of these features?*
+
+(add stuff here)
+
+*Should I use external sub-DAGs or splices?*
+
+The simple answer is that, unless you need one of the features that's
+available with external sub-DAGs but not with splices, you should use splices.
+Splices are generally simpler... (add more stuff here)