New to ipad2, trouble with downloading apps

[Tomswin]

I am having trouble downloading apps from other devices, such as iPhone and iTunes itself. Also when I try and download an app straight from the app store on my iPad the icon appears but it just keeps on saying waiting and never actually downloads.

I've checked my iTunes account and all the info, as in id,payment,password are all correct. I can get the apps on my phone just not this iPad.

Any help will be much appreciated