Ok, two totally seperate questions.

Has anyone noticed that their 750 seems to slow down over time with each soft reset?

Also, I am obsessed with cleaning up my memory and periodically delete all running tasks. I've noticed that my memory seems to slowly fill up regardless of the fact nothing is running. Any idea why? I will start with 19m, then use a bunch of programs and it will fill up to 32m. I'll delete all tasks and it will only reduce to 23m. Next time it will only go as low as 26m..., and so on.

What the heck is going on?