Tranquility - try looking at each way separately, and book when you see a price you like. I have found it easier to book one-ways to get best price, when I don't find good total flight prices. So what if you book 1 direction this week, and going the other way a few days later. Last night the 'to JA" prices were too high, and this morning I found a good one, and booked it.

Delta had some good prices last week, but then they went higher. I check Delta at same time as Airtran. Again, nothing wrong (nor do flights cost more) with booking 1-way tickets.