[barredo]

1) Sort of directory: http://www.reddit.com/reddits/

2) Usually, there are links in subreddits descriptions to similar subreddits.

2.1) MultiReddit! http://www.reddit.com/r/php+perl+python+startups

3) It should be improved, yes

4) I guess cross-post and double-post are hard, really hard to improve

5) search is a bit awful, yes

[jdbeast00]

while i know it is possible to do many of the things i want with some tomfoolery, these should be built into the UI so anyone can find out about them easily.

[barredo]

Yes. The UI must be improved. It's almost an imperative to do so. They need to hire a designer just like Twitter did two years ago. Twitter kept simplicity and get a lot of style and really nice themes.