I'm fed up of packing a shedload of hair appliances each time I go away. I usually take a small hair dryer, for blasting dry before styling, I then use the Revlon One Step for smoothing and shaping, and then I need a quick run through with the straighteners afterwards.
I've seen the Revlon 5 in 1 - can you use the handle of the appliance (eg, if you don't put any of the attachments on) as a blow dryer? That would at least mean I didn't need to take a hair dryer. Not sure if I'll ever be able to lose the straighteners though, but would be interested to hear people's views.