well there are many firmwares you can flash to but if you want to upgrade you can try this
http://www.motorolafans.com/forums/e...2p-kundan.html
or read threads in firmware section for other firmware too
Motorola A1200 : Beast
Motorola MOTOROKR E6/E6e : GoldenBird/Bricked
Samsung Galaxy Y S5360 : Stock ROM (Gingerbread 2.3.6) - ROOTED