There are several threads with people offering JB services in the US of A for around $40-50 (you pay shipping there and back):
http://www.ps3hax.net/showthread.php?t=43074
@
playerkp420
offers one,
@
marcin888888
offers one....
E3 flasher is relatively easy to use, and again there are plenty of threads with tutorials and FAQS:
http://www.ps3hax.net/showthread.php...ghlight=w%2Fe3
It would help if you posted your PS3 model (slim/fat/ultraslim), the "CECH-xxxxx" serial on the back or underside, and what FW you are currently on though.