Remember the Acer W4? After seeing it at IFA 2011, it seems that it's finally ready to make some first impressions, and its blind date is with France. Known officially as the Allegro, Acer's inaugural Windows Phone isn't going over the top in the spec department: it has a 3.6-inch WVGA (800 x 480) display, 1GHz single-core Qualcomm MSM8255 CPU, 8GB internal storage, 5MP rear camera with LED flash and a 1,300mAh battery. However, a unique additi