Newegg offers the SanDisk 256GB Ultra Plus 2.5" Serial ATA 6Gb/s MLC Internal SSD, model no. SDSSDHP-256G-G25, for $99.99 plus 99 cents for shipping. That's the lowest total price we could find by $19, although we saw it for $28 less in September. It features read speeds of up to 530MB/s and write speeds of up to 445MB/s.
Note: If you haven't yet, use coupon code "MBLMASTER15" and pay via MasterPass using Newegg's mobile site to cut it further to $84.99. (This discount can only be used once per account.)