The DatePicker issue should be fixed in the next release which is coming out soon.
Also, which thread are you referring to on the SecurityAssist issue with PowerPC? There is a fix for this issue already:
showthread.php?t=6179
It looks like you've posted there as well. I've opened up a backend ticket to send you the fix. You can check this ticket by signing into your account on webassist.com and checking your support history.