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-1 on changing default templates, for three reasons:

1) I wouldn't want to take an issue without examining 
the full text and fields of the issue!

2) It's a slippery slope from there to also 
having "resolve" or "reject" links in the issue-index 
view -- all these are actions which rightly belong on the 
issue page itself, not on a multiple-issues overview 
page.

3) It also makes all issue views specific to "developer" 
users: I also have "manager" users who view the issues, 
are nosy on some of them, but will never want to take 
them on. Adding a "take" link on their issue lists just 
clutters the interface and reduces the real estate 
available for useful information.

Agree though it'd make a good customisation example -
- maybe even one which could be extended to consider 
user Roles.