Did I break my Ubuntu System?

I’m afraid I jacked-up my swap space. Here is the output from a top:

top - 16:48:20 up 3:08, 3 users, load average: 0.24, 0.44, 0.69
Tasks: 131 total, 2 running, 129 sleeping, 0 stopped, 0 zombie
Cpu(s): 9.6%us, 2.6%sy, 2.8%ni, 82.9%id, 1.8%wa, 0.3%hi, 0.1%si, 0.0%st
Mem: 1025920k total, 1005672k used, 20248k free, 27768k buffers
Swap: 0k total, 0k used, 0k free, 406416k cached

I was thinking that there should be some numbers in the Swap row. The reason I’m digging on this is my machine starts to run like dog-crap after I have it running for awhile and this wasn’t the case as recent as a month ago. Yeah, I had to deal with the memory leaks in Firefox, but that just needed a bounce of one app. Lately, I’ve been having to bounce my whole box, almost daily.

I just posted something to the Ubuntu Forums, but I thought I’d ask here, too. Yeah, I’m no linux sysadmin, so go easy on me and just provide feedback. Thanks…