I'm planning to get a new iPad for Christmas; my 1G iPad still works but crashes constantly and there is a lot of apps I can't use. I would like the iPad Air 2, but the only one I can afford is the 16GB version and I've heard that 16 gigs is not enough. I mostly use my iPad for web browsing, videos and casual gameplay. Should I get an iPad Air 2 anyway, or consider other tablets? Thanks in advance!