Guys check it out
New 60Wh battery for EX1
Price $199

Switronix | XP-L60UD 14.4 VDC Lithium Ion HDV Battery | XP-L60UD (http://www.bhphotovideo.com/c/product/571124-REG/Switronix_XP_L60UD_XP_L60UD_14_4_VDC_Lithium.html)

$50 cheaper than the Sony. I'll probably still stick with the Sony if I need another - but good to know in case Sony's are OOS

Paul