Today on Woot, they have an 18-piece Snapware Glasslock Oven Safe Food Storage System for $24.99 – shipped. ($19.99 + $5.00 shipping).
Set includes: 3 round containers, 4 rectangle containers, 2 square containers, and 9 matching lids.
Details: These clear, stainproof glass containers feature a space saving, nesting design. Durable silicone seal provides airtight and leakproof storage. It is ideal for serving and storing, and safe for microwave cooking (remove lid first!). Lids are BPA-Free.