hey guys i heard some great stories about this forum and i have decided to post a question. i have a hp ze4545us i bought a couple years ago. it came with 40gb harddrive and i want to get a 120-200 gb one. what do i need to know in terms of compatibility, ease of installation and perhaps price and brand?? i am ok with comps but u guys are the best so please let me know all yur thoughts. thanx man