You will be able to listen to the music or comedy interludes of your choice. You will be able to blow things up and perform implausible vehicular acrobatics. You will be able to drive cars like a stuntman, and they will only break if you treat them like wrecking balls or flip them on their backs. There's a reason I'm not bored of the GTA formula yet, and why none of the clones have overtaken Rockstar: the most important rules that govern the world are very effective. It is, by design, witty, varied and hugely endearing.
2) It's huge, vibrant and full of endeavour.
There are two ways to look at this GTA on PSP malarkey: 1) It's dull and unadventurous.