What do we think of these budget smart covers? I'm sure they wont be as good as the Apple. But will they be close? Ok even? They come in a few colours. Green - http://amzn.to/JgkbSx Grey - http://amzn.to/Jxwxm5 Dark Grey - http://amzn.to/If3cOw Orange - http://amzn.to/JdsnUC Red - http://amzn.to/Jdtl38 Pink - http://amzn.to/HZ4e4q I think i might get one. But has anyone else bought one, do you have experience?