Shooting head pros & cons:
1) Shooting head setup wont make you a better caster!
2) Distance is an advantage, also flexibility / easy to interchange heads for different scenarios.
3) Disadvantages - line management - narrow running line has a tendency to tangle - like when that 40lb Permit decides to inhale your carb fly:eyecrazy: Especially a problem with "normal" lines. I have found the warmwater W/Fs to be a lot better - not sure if anyone does a warmwater 3wt?
4) Practice in the back yard before committing everything and travelling