It is hard to advise without knowing your uses. In my mind one 3 pound tripod is as steady as any other tripod.I find them the sweet spot of tripods..
It is a minor inconvenience to carry a 3lb tripod yet it holds the camera. I have manfrotto and velben brands. They are not special. Those were the brands available to me at my camera store. You can spend a fortune on tripods. You will often see people who have one brand of legs with a different brand of head..
An old-timers trick to steady a rickety tripod is to hang you camera bag from your tripod to give it weight..
I have this tripod and I use it with my Pentax K100d DSLR with the Sigma 70 -300 attached and I'm pleasently suprised about it's stability.That price on Amazon is really reasonable I paid 92 $..
What I like is it can go really close to the ground by taking out a section of the center colum...
Actualy mine is different I just checked it.This is the one I have :.
Http://www.bhphotovideo.com/...4-REG/Slik_611_862_Sprint_Pro_Tripod_with.htmlIts very well made and stable...
Is this the same one? I checked the manufacturer # and typed it in on amazon http://www.amazon.com/..._1?ie=UTF8&s=photo&qid=1216150916&sr=1-1..
After further research, both tripods are identical, yet I noticed the one you have has a BALL head instead of a PAN head. Do you know what the difference is?..
It seems your tripod is the same as the original post I made on amazon. Yours has a manufacturer # of 611-862 as does this~ http://www.amazon.com/...UTF8&s=electronics&qid=1216152167&sr=8-2..
Mine has the 3way head and I love it that way especialy for stiching panorama's ..
The ball heads are nice but you would have to get one with a panorama locking base so yopu could do the same thing. And those are not cheap but nice.For macro work a ball head is amost a must...