Including all my TV DVDs, Movies, and Home movies which are all individually very close to 1/3 of the total as far as number of discs, I am right around 1.5TB for everything we own. Add another few hundred gigabytes and it's not that far away from my 2.5TB capacity.
It looks like I'll be needing to add one or two more drives. Adding drives is the biggest pain in the world--not to mention dangerous. With two RAID0 arrays, it means I have to delete one for a period which could last close to a week! I still have my extra drive with the most important data--Music, Pictures, Documents, Profiles, etc., so I would just lose all the video rips, my podcasts, and a bunch of discs I keep on the drives.
It definitely takes a lot of space but I think if I get to 3.5TB I will be able to be fine for quite a while. A 500GB drive holds around 80 movies so two more would be 160 movies...
What is a good sized DVD collection for people today? I know lots of people have hundreds of CDs but a good average for good-sized collections is between 500-1000 CDs, which is where most people I know fall and where I fall in. How do DVDs compare? I find DVDs less appealing to collect. First of all, you rarely watch a movie more than 2 or 3 times even if it's good. They also take about 20 times the space to store compared to a CD (300 MB v. 6000 MB on hdds). I find that I might just be foolish for saving all these movies but I have to say it is so nice to browse through in thumbnail view and see all your movies! At least for now, I can stay put and will still have a few hundred GB free.
Not sure how close people fill drives but at one point, I had my 2.5TB array down to 300 MB free. That was as I started ripping full quality, complete DVDs before I deleted the old files I converted from the DVDs--those were really HQ so they took 1-4GB per movie anyway or 300-1200 MB per episode...so they were incredibly out of control in filesize.