A good, all-around tripod is the Manfrotto MT055XPRO3 055 and it will set you back around $250. As for ballheads... Hmmm... the Oben BE-117 would be a good choice and would come in at around $80 or so. There are other options of course, lots of them, but that would be decent setup that would last you a gpod long while.
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I got a 055 series and am not that impressed by it. I have a serious love-hate relation with it. It's great indoors but to carry along out there, and use, it has some issues.
I have the MT055XPRO3-3W.
What I dislike about mine is that the cam is not a tight fit to the pod. When I attach the plate to the cam, it has some "room" when attaching it to the tripod's quick-fit. That isn't always problem when you shoot normal but when you flip the cam to the side, it can be. You can move it slightly which implies, the wind can do that too. Especially when using a heavy lens set-up, the
tolerance becomes counterproductive.
The clamps on the legs also jump open too quickly. Again; inside no problem but it has been more than once I noticed I was walking around with a tripod on my back having one leg sticking out.
When normally positioned on the pod, the cam only tilts a limited degree upwards. Which is not enough for star-shots. Even for other shots I often run into this limitation. I can work around that by turning the connector plate on my cam 180° and attaching it backwards on the pod. Then I'm not restricted in my tilting angle but the 3W control of my head becomes very clumsy.
These are my experiences with this pod and outside, especially at night, it does not perform as well as I had hoped.