I haven't purchased a new MacBook Pro with touch bar (TB) yet, but I'm definitely considering doing so. As to whether I'd switch out a TB version for a non TB version, I'd have to say no - I really think that the TB will offer up a meaningful additional way of interacting with the computer. A local Best Buy had all three versions of the new MacBooks Pro in: both of the 13" ones (with and without the TB), and the 15" with TB and I was able to try them out. On the TB versions I opened/used both Pages and Safari to get a feel for the keyboard and the TB. The touch bar's context awareness is definitely a thing: without any apps open you're presented with the ESC key and function keys on it, upon opening Safari it switched to offering navigational browser options including a central 'key' (touch area) for entering a web address. Pressing that brought up a dialogue box on the computer screen for inputting a site, among other options IIRC. Also in the TB there was a 'key' for opening a new tab in Safari, then, at another point in Safari on the TB there were icons of sites that you could 'one click/touch' to navigate to, such as Google, Bing, or Facebook, and other sites that were also 'one touch' icons to navigate to (i.e. the 'favorites' section). There were also similar context sensitive/relevant options of the TB when I was using Pages. In my brief time at Best Buy using the new MacBooks Pro I got a sense of the TB's potential and could see how not only is there context awareness and different choices offered up on the TB between apps, but also different choices/options displayed on the TB depending upon where you are in an app and what you're doing at any one time in the app. As far as whether the TB is more/less of a gimmicky feature, or a useful additional method of interacting with the computer - that will be up to Apple, and app developers to work out. Imo though, the potential is certainly there for the TB to be something meaningful (useful).
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