Samsung has added a new phone to it's site and it's the GT-S3100. Although there's been no mention of launch date or what region it will be launched in, the Samsung GT-S3100 looks to be a cheap slider with basic features.
*supports
GSM bands
* 176×220 pixels
* Bluetooth
* music player
* microSD card slot.
via:
Samsung GT-S3100 surfaces | Samsung Hub 