yes, this is it my friends. The big break we've all waited patiently for. May I present to you the newest version of GNS3 which incorporates Junos router emulation:
GNS3 0.7RC1 | GNS3
Use the following tutorial for installation. Again, not quite as easy to install just yet, but your patience will pay off.
Olive reloaded or how to emulate Juniper routers | GNS3
Man, the JNCIP and JNCIE are looking pretty nice right about now :]