Wei,
I've been using Rick's wwIpstuff for almost 2 years. This is a great product that does NOT require any ActiveX components to distribute or manage. I've found the product very robust and the support on Rick's community forums to be worth more than the price of the product itself.
There's an evaluation version for you to test in your own environment before making the commitment of a purchase.
I highly recommend this product.
Good luck,
Malcolm