What mac OS X update should I get if I have version 10.5.8?

I got the new Iphone 5 and it says i need the Mac OSX 10.6.8 or higher to use Itunes and sync my phone? So exactly what software should I buy? Because i did notice Apple has Mountain Lion, Snow leopard, and lion. I'm confused in i want to update My Macbook as soon as possible.

How to get safe mode back on iphone?

Every time i want to enter safe mode it puts the apple logo up and then takes me to iphone setup were it says your simcard is invalid but i just put it back into normal mod so ultrasnow works how can i get back normal safe mode?

Has Apple fixed the black iPhone 5 scratch problem?

I would like to buy an iPhone 5 in the black version, but many forms say it scratches very easy and sometimes has been scratched out of the box. I have also read that it is better to wait until Apple fixes this issue. Does anyone know if this problem is fixed?

How much is it to get a iPhones screen fixed?

My iPhone 4 screen is busted really bad would it be a good idea to get it fixed how much would that be and where can I do that and I do not have insurance because my phone was used

Best Iphone app to receive news related alerts?

Is there any app out there that will send you breaking news? Like sports center sends you information in notification form about sports, I there a news app that does that? Which apps are there?

IPhone not working, icloud backup problem?

My iphone won't let me use it or power it off and on the screen it has a message saying:

'iCloud Backup, This iPhone hasn't been backed up in 3 weeks. Backups happen when this iPhone is plugged in, locked and connected to Wi-Fi'

I've tried plugging it into itunes and nothings coming up and I need my phone to work again by tomorrow, It won't power off or let me use the iPhone itself. Someone please tell me what to do?