Samsung Moment :: Moment Doesn't Age Well?

I haven't upgraded to CL14 yet(mostly because it sounds like it causes new problems, and I'm used to the ones the damn thing came with) but I have noticed that over the last month or so, there have been some new issues popping up for me.I get more lag than usual, it will ignore screen presses, the keyboard will sometimes freeze for several seconds then dump everything I typed, and the GPS icon is now flashing full-time if I have it enabled... even if I'm not using GPS. I had to stop using Open Home because it slowed the phone down too much. I also have text messages sent/received out of order, and the phone keeps resetting notifications to default tones. During several calls in only the last week or so, the proximity sensor will not function.

I stopped updating any apps I didn't have issues with back in January, so I don't think that could be the issue. It seems like the phone has, over time, just started getting a little senile. I take pretty good care of it, so I'm worried that the internal components are wearing out prematurely. Maybe I'm way wrong, but reboots, memory cleanups, and cache deletions haven't seemed to work.