[btonetbone]

Memory leaks are somewhat inherent to Windows Mobile devices in general. Many of the custom ROMs (especially those without extra OEMs) will actually handle memory better than stock ROMs.

The real problems come when other programs get installed on top of Windows. They will eat up some of your RAM, and (depending on what the program does) you may not get it back until a restart.

If you think it is your phone, try and leave it fresh after a hard reset on a clean ROM for an afternoon. I'm guessing you'll notice only minimal RAM loss throughout that time.

It might be time to survey all of your installed programs and registry tweaks to see if one of those are causing your leak.