Looking back, it's hard to recall how revolutionary iPods were when they hit first hit the shelves 15 years ago. We'd been struggling with Walkmans and Discmans for years -- cassettes could only hold a handful of music, and CDs skipped every few seconds.

iPods changed everything. Suddenly, we could walk around with 10 GB of music in our pocket. Remember, this was at a time when services like Napster and LimeWire were king. It was heaven.

Sadly, any music aficionado who saw the recent news about the discontinuation of the iPod Nano and iPod Shuffle likely shed a tear. These were the last vestiges of the original iPod (the Touch doesn't count, it's a watered-down iPhone).

If you want an iPod as a piece of tech memorabilia to remember forever, time is running out -- but it's not too late yet! Here are three places you can still buy an old-school iPod.

1. Amazon

Not only is Amazon still stocking the recently-killed Nano and Shuffle, but you can find even older stuff. I found a 5th generation iPod with 80 GB of space for $229 and a 7th generation iPod with 170 GB for $399. You can pick up a Nano for around $150 and a shuffle for around $100.

2. Best Buy

If you buy your device on Amazon, you won't be buying from Apple directly, which means no purchase protection. If you want to reduce your risk a bit, check out Best Buy, which stocks the 8th generation 16 GB iPod Nano for $149 and the 6th generation 2 GB iPod Shuffle for $49.

3. GameStop

If everywhere else has run out by the time you're ready to buy, check GameStop. A refurbished iPod Nano is $89 and a refurbished iPod Shuffle is $29.

Will you be buying an iPod for old time's sake? Let us know in the comments.