>I have NT 4.0 Workstation, Service Pack1, and after I heard that SP 2 was full of dirt I changed my mind to install it. Now, there is No. 3, so I would like to know any comments, pros and cons.... >TIA > Dezider You will need it if you plan to run some Multi-Media such as MS Flight Simulator, MS Net Meeting or MS Router/RAS Service (SteelHead). Tom