Sandisk extremeIII
If i run out of memory, i go to my lexar 32gb

Worst product I bought recently and returned it playing with it a few days. Drains battery, slow, sometime doesn't work.
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Using Kingston and PNYs but I'm going to be switching over to some Lexar Professionals

Lexar 400x's and a PNY 233x. Quite a noticeable speed difference when emptying out the buffer in my 50D when using the Lexars

Back from the dead.

Just ordered 2 Lexar 32GB 1000x card from B&H as they still have that crazy deal on... Also ordered the new Class 10 Eye-Fi for dumping the small jpgs onto the phone right away (using Canon 5d3). Hopefully the Eye-Fi will not affect the burst rate of the camera.

I bought the last gen eye-fi and I returned it after a day of playing with it. Doesn't work all the time and it drains the camera battery quite fast even with the gps off.
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Lexar 400x 16gb for me. I've got 4 of them. They're about $90 for a two pack.

Shouldn't affect the burst rate much. Burst rate is more affected by the internal buffer capacity. It's the write time that may be affected when the buffer needs to empty to the memory card.

Lexar and Sandisk. I've got two Patriot 32GB SD cards as well.

I'm doing the same thing except I'm just going to buy the cheap Eye-Fi. The 4GB gives me more than enough space for the small jpegs and it'll send them to my iPad the same. The difference with the Pro cards is that they allow for RAW transfer, which I don't need since I'll never transfer 500x 30MB files over Wi-Fi.

Anyone know of a good deal on Eye-Fi?

2x 16GB MS Pro 2 Mark 2

2x 16GB SanDisk Extreme Pro III