A:AnswerI recommend upgrading if you haven't already. It's a no brainer if you own a 4K TV. If not, then consider if super sampling and upscaling HD is worth it.
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A:AnswerBecause E3 happened! Each year at E3 Sony, Microsoft, and Nintendo announce their game lineup for the year and console sales go up. Retailers know this and usually keep up with demand, but there are some fan favorite games getting a rework from Sony this year so more than usual are selling.
A:AnswerNo, online gameplay will not necessarily be improved by the Pro. Outside of the 5GHz WiFi spectrum which is an improvement if you have the correct router, online gameplay improvements depend on your internet speeds more than anything else