NewEgg.com has the Seagate Momentus 500GB 2.5" 5400.6 ST9500325AS Hard Drive for Notebooks priced at $90 - 10% off with coupon code EMCLSNM47
[Exp 5/25] = $81
with free shipping. A good upgrade to tide you over to the days of SSD affordability. Here is the Seagate site
for this drive.