If you like it now, consider how quickly it was improved. The milestones
came thick and fast, before giving way to the better betas and the
release candidate. Even the nightlies had a reputation for quality.
If there is something you *hate* about it, chances are it won't stay that
way for long.
As usual, its a big java IDE. Which usually means memory hungry.
However the Ruby only version is pretty tidy.