Paul__B:
[snip]
They can be soldered to a main board - or socketed. They can be fitted over other parts making the design more compact in the process.
[/snip]
ah yes, forgot that is a plus. I am socketing some other boards because they require smt chips w/ sink pads underneath so I don't want to tackle dealing w/ them right out of the gate and I already am stuffing parts under them so I guess the abovce linked module or equiv ain't the worst idea.