extract u-Boot from Lacie firmware updrade

[refe]

hello,
i was thinking if was posssible to extract the u-Boot from the firmware update http://www.lacie.com/files/lacie-conten ... _2.2.8.zip
i was thinking that i could make Reverse Engineering Firmware ...i have de image ...extract the kernel, filesystem ...and u-boot? like in this post http://www.devttys0.com/2011/05/reverse ... s-wag120n/
do you think is possible?