I have been an apple devotee since I got my very first Mac Classic loaner in college. 
The very first computer I bought for myself was a Mac LCII. 
In fact, I still have it, I just can’t bring myself to get rid of it.
Like many of us, I assumed that I would get an iPhone as soon as I could afford it/my contract expired/I wouldn’t need to switch carriers. When the iPad came out, I was seriously envious when my best friend got one.
Fast forward a few years and I have an Android smartphone, an Android tablet that I hacked from a B&N Nook color and I find myself needing to quickly replace my trusty MacBook that is circling the drain. I have spent the last few weeks debating about what I should get to replace my dying laptop. I am done with Windows (at least for now), so I had to choose between a Mac or a Linux laptop.
My strongest argument for a Mac was that many of my clients are Mac users and I could better provide technical support if I was on the same system as them* (which is a beautiful irony given that I had a Windows machine for years so I could have a system compatible with my clients’). My strongest argument against Apple is not wanting to align myself with the Apple Overlords.
Apple has long been a company with very strong control issues. This is not an entirely bad thing. My concern is less about Apple the creation and design of its own products (see comment below about human rights issues), after all, Apple’s beautiful esthetic is due almost entirely to the hold Apple has on its product design. My concern is with Apple’s anti-competitive stance on 3rd party applications sold through their App store and restricting their e-book authors. Don’t know what I am referring to? There are some articles on the issue here and here.
Then there are the human rights issues, particularly those raised about Apple’s Foxcon facility. The first is that the horror stories told by Mike Daisey on this American Life were false. I just don’t think that the factories building Apple products are any better or worse than the factories that build anyone else’s products. We, as a society, have demonstrated through our consumer choices that we prioritize cheap products over employee rights. That is not a judgement, just a statement of fact. My other response is that Apple has taken steps to address the (false) accusations of human rights issues at their Foxcon plant. They have joined the Fair Labor Association (FLA) and now have third-party audits of their suppliers. And the FLA described the Foxcon plants as “first-class.
*If you are one of my clients with Apple devices, fear not. I still have a Mac Mini that I mostly use for watching Hulu and Netflix. That means that I will be able to provide the same level of support as I do now.