Thermaltake's Versa H15 Micro-ATX PC case usually sells for $45 but is now on sale for $25 after rebate.
Usually, 360 mm all-in-one AIO coolers sell for well above $150. But this RGB model from Thermaltake is on sale on Amazon for $64 off.
This is one fast SSD. Perfect for if you need something to handle very-high throughput, such as video editing. It's also great for reducing game load times, if that's important to you.
SSD's are a great way to speed up and older system, and this one won't feel like you're spending new-PC kinds of money on it.