Check out Practical Motorhome's review of the Apple iPhone 4 and the iPod Touch
Pocket-size computers don’t come any more powerful than the iPhone 4. The stunning, high resolution screen has to be seen to be believed and the 5-megapixel camera is a capable stand-in for a digital compact. It’s also a video camera and MP3 player, but the vast choice of apps means the iPhone can do just about anything — even make phone calls…
If the iPhone price is too high for you, don’t forget the considerably cheaper iPod Touch. It may lack 3G, and it can’t make telephone calls, but the rest of its specification is almost the same and it runs all the same apps.