Sure SLC or eMLC, but then the costs outweigh the gain. Using a dedicated SSD is going to be consistently faster 100% of the time. Someday, hopefully soon, there will be 'affordable' and long-lasting 512GB & 1TB SSD and then bye-bye to the Plater.
You pick:
$120 Intel 311 Series Larsen Creek 20GB SSD
$140 (-$15 Gift Card) $125 OCZ Agility 3 AGT3-25SAT3-120G 120GB SSD