I found it more enjoyable to do all that without a stealth boy. It is just hard in many tunnel situations to do all that advanced planning. Though I won't deny I just recently discovered the joys of planting landmines near the natural gas leaks and luring them in.

The only downside to explosives is, on occassion, it can be hard to find the bodies (in order to loot them) after they get individual parts scattered to the four winds.