Purodha:
P> I would like to have "deep links" into JIRA for bug reports or P> feature request creation, with some data preset, such as my tools, P> version, and component.
i believe this does what you want:
http://confluence.atlassian.com/display/JIRA/Creating+Issues+via+direct+HTML...
but i haven't tested it myself. (note that you need to create an account before that links becomes useful - otherwise, it'll just tell you to log in.)
- river.