Prices have settled for the most part and don't tend to jump much. Both will most likely need sealing (you can pay OES for it). Wilderness Logics sometimes has monthly deals here and there in regards to tarps. The biggest difference if I am correct is a size difference - the OES would be smaller than the Big Daddy.
Not to take away from either of these vendors (great vendors both) but warbonnet has a sale on their Superfly and Mambajamba (which is similar to these two). Something to check out possibly.
The key to immortality is first living a life worth remembering. - St. Augustine
Some people feel the rain. Others just get wet.
- Bob Marley