Newegg has the OCZ RevoDrive OCZSSDPX-1RVD0120 120GB MLC Internal Solid State PCI-E Drive (Raid 0) for a great price after rebate. This drive has a 120GB capacity (huge for a SSD), because it has two Sandforce Solid State Drives in a RAID 0 Array on a single PCI-E card. Has a 500MB/s read with random write at up to 65,000IOPS.
Rebate can be found here. EXPIRES 8/31.