New to Mac? - A Switcher? - Or Old Timer? The relentless march of computer technology and change is hard to stay atop of. As tech products become cheaper (and sadly - more disposable) What-And-Which Mac accessories and Apple peripherals to buy has a changed dynamic. Some Apple add-ons you want to buy quality, pay up for and use for years - other Mac gadgets are best to serve their function, then be replaced by something bigger, better, faster, with enhanced features a year or two down the road.