2. There will be a PS Vita price drop
PS Vita is currently £170 / $200, but that won’t last the year. At the very least, we’ll see a price drop, bringing the handheld down to--as a rough estimate--an almost-impulse-buy £100 / $120. Given the machine’s new life as something of a portable indie game player, and companion to PS4, I reckon Sony will want to make it as affordable as possible.
What we might also see is, instead of a PS4 price reduction, bundles bringing the Vita and PS4 together for a reasonable price. If I were a betting man, I’d suggest £429 / $500: which is, funnily enough, the same price as a new Xbox One. I thought this would be a launch option in late 2013, but I was wrong about that. Still think it's on the cards, though.