Update: Deal over.
WD Blue 250GB Internal SSD Solid State Drive – Link 
Dell has this on sale for only $19.99!
- Sequential read speeds of up to 545MB/s and sequential write speeds of up to 525MB/s.
- An industry-leading 1.75M hours Mean Time To Failure (MTTF) and several error-correction technologies for lasting reliability.
- Optimized for multitasking to simultaneously run resource-heavy applications without system slow-down.
- Available in 2.5”/7mm and M.2 2280 models to accommodate most PCs.
- WD FIT Lab™ certification for compatibility across a wide range of laptop and desktop computers.