Sony Ericsson’s XPERIA X10 isn’t even in stores yet, and the company have already given it a couple of siblings.  The XPERIA X10 mini – which we saw recently under its Robyn codename – and the X10 mini pro, which has a slide-out QWERY keyboard, both run Android 1.6 with Sony Ericsson’s Mediascape and Timescape apps.

Unlike the X10’s expansive 3.7-inch display and 8.1-megapixel camera, the X10 mini and X10 mini pro have smaller, 2.55-inch QVGA panels and 5-megapixel cameras.  Still, you do get an LED flash, autofocus and geotagging, along with Microsoft Exchange ActiveSync support along with A-GPS, Bluetooth, WiFi and a 3.5mm headphone socket.

No pricing details for the Q2 2010 launch, but the XPERIA X10 mini will arrive in pearl white, black, pink, lime, red and silver, and the XPERIA X10 mini pro in just black or red.  Both 900/2100 HSPA and 850/1900/2100 HSPA variants will be available, for North America and global use.

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