Newegg.com has the 500GB Seagate Momentus XT 2.5" SATA II NCQ 7200 RPM Internal Solid State Hybrid Drive SSD (ST95005620AS) on sale for $79.99 - $30 promo code EMCJJJF84 = $49.99
. Shipping is free.
The Seagate Momentus XT drive is a solid state hybrid with Adaptive Memory technology, enabling the drive to deliver SSD-like performance along with higher capacity. The Momentus XT drive is designed for all standard laptop PCs and is OS-, driver- and software-independent, making this drive easy to integrate and easy to use. Adaptive Memory technology enables the drive to tailor performance to the user. Whether you are gaming, editing digital media or crunching numbers, performance is optimized and ready for your next move.
7200 RPM 32MB Cache
SATA 3.0Gb/s with NCQ
3 years limited