Soon to be owner with questions

Woohoo! About to purchase an '07 HSE and just had some last minute questions. I'm totally new to Land Rover, coming over from an '03 Grand Cherokee Limited.

Ok, so here's what I'm wondering:
1) Do you HAVE to use premium gasoline with the LR3? Shouldn't mid-grade be ok? Does gasoline grade really make a difference for any car, for that matter?
2) I love the way my Jeep displays tire pressure with the actual PSI numbers next to each wheel on a diagram of the car. How does the LR3's system work? I never saw it on the one I test drove.
3) Does the rear/front park assist also have a visual indicator to go along with the tones?
4) I'm wondering about iPod integration. I've got iPod integration on my jeep (lets me use the factory radio controls / steering wheel controls to control the iPod, and I love it! I know the LR3 doesn't come with it, but I'm seeing Land Rover sells an add-on kit. Is anyone using one and is it worth the dough?
5) Potentially dumb question, but my wife said the front headreast was uncomfortable and wanted to know if they move. Do they?

That's all I have for now. Thanks for any answers...I'm STOKED!

1) You don't have to, but it's recommended. Yes, it makes a difference, and no, you won't save much by using cheaper gas.
2) Beeps when pressure is low
3) No
4) Dunno, factory stereo plays MP3s and that's good enough for me.
5) They don't move.

Thanks for the info. So does the tire pressure monitor system actually indicate which tire is low or do you have to just get out and look?

You will need to get out and look.
Regarding the IPod - there is an aux input jack on the back of the center console.  All you need is a 3.5mm plug to plug audio cable to connect the IPod to the radio.  Press the AUX button twice on the radio and you can listen to your IPod.
Congratulations on your new LR3

You do have to run high octane, not mid grade, it has been that way for Rovers for years.

For awhile, I ran every other tank with Premium and Mid-grade.  Have since determined that the premium gives better mileage, and engine doesn't struggle on the hills.  Stick to Premium...