"If your eclipse is using more than 2 GB of memory there is something very wrong. Heck, even more than 1 GB is bad."
And 640kb should be enough for anyone? :p
With all due respect, since eclipse is pluggable that statement makes no sense imho. If you use Springsource Toolsuite for Java development. Plug Aptana3 into it for HTML5+js development. Add some other smaller plugins and JBoss Tools...you will get there. Unfortunately Adobe's Flash builder is also restricted to 32 bit otherwise I could plug it in too. (still have 1 flex project running)
I've already seen my eclipse take up 2 to 3gb at times, still running nicely. (my laptop has 16gb of ram and I notice Eclipse running smoother with higher mem settings e.g.:
--launcher.XXMaxPermSize
1024M
-vmargs
-Dosgi.requiredJavaVersion=1.6
-Dosgi.requiredJavaVersion=1.5
-Xms320m
-Xmx6144m
-XX:MaxPermSize=2048m
For the record, I'm not saying I use all the junk I've got installed into Eclipse :D but I like to have all tools in 1 app, and the time to configure a less bloated Eclipse isn't worth it. I prefer the "live and let die" minded Eclipse config appoach.
Anyway, I would also love to see a 64 bit version of JBoss Tools since it's supposed one of (or the) best for JSF2 development...and I guess I'm not the only developer who thinks this way.
Best wishes,
Jochen