I'm new to XP Pro. I would like to add a new second HD. A Hitachi HD 5728040PLAT20. I assume since it shows unallocated, I have to initialize it. A Wizard guides me. Easy enough, but it also asks if I want it to be a dynamic disk. Do I? Why? Also, when I upgraded from 98SE to XP it only used about 18G of my 80 G master HD (Western Digital WD800BB-00CAA), the rest is unallocated. Please help me know how to use the rest. I got that size so I could edit video. Thanks!!! 
