Acer's bringing gaming PCs and tablets to IFA

This week invites are going out to Acer's big event series at IFA 2015 in Berlin, complete with a teaser image. The image you see here has a big ol' power button amid some Batman-looking black swooping lines. The power button and the lines belong to one of Acer's gaming PCs, a "Predator" machine revealed at a small event earlier …