Newbie to the forums, current owner of benz, looking to move

[Little]

Hey what up everyone, i'm Jim from New Jersey right near the beach, haha. Well, here's my story. I bought an '01 Benz E430 4matic last july and the car has been great. I love the car, but it is a pretty boring car to drive. Now i have a serious itch for a new car. The only car i am willing to buy right now, would be the 545i loaded to the gills, black on black. I drove it maybe a month ago and man its sick. But for some reason, i've been reconsidering and now maybe looking into some kinda suv/sav. What got me looking was the when i just recently saw the new Range Rover Sport come out. That thing is gorgeous, but been doin a ton of reasearch and the rovers seem like they have a real shitty track record. I'm goin to lease, so nothing would come outta my pocket but still, i wanna drive the car too. Next, i find this site and see some really hot ass X5's and I'm really considering it. This is what i would want in the X5:

- black on black
- Premium package
- Navigation
- Sports Package ( I really don't like the wheels it comes with on this though...)

Can you get the new 4.8 wheels, those are sick, just like the 545i with sport package. Any major problems anyone is runnin into? It looks like the truck has very little rear cargo room, i snowboard alot in the winter and usuallly will have a carload of friends, would i be able to fit boards and people in the car or would i need a rack?? Last thing, how is the navigation in this truck, no i-drive?? I'm still gonna go see the RRS up close and personal and take it for a drive, would have to drive this ride too.