Ask HN: Help, What agile project mgmt tools work for you?

I recently went from working at a great company to freelancing on my own. I'm about to start two projects where I will be acting more as a PM than the sole developer. I really want to follow a solid process and I'm trying to figure out the best set of tools to use and am pulling my hair out.

Things I would like: (1) An elegant, usable, hosted app (2) manage user stories (3) manage dev tickets features/bugs (3) track time against tickets (4) manage overall milestones and project status, feedback look w/ client

I feel like I've signed up for every trial out there and nothing really satisfies everything. The right solution feels like it should be some mashup of Basecamp + Harvest + Pivotal Tracker

What tool or combo of tools are you guys successfully using and can recommend with conviction?