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Trackballs - whats the diff?

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cholin:
I was wonderring what the difference is between a Happ trackball and an Ultimarc trackball.  The Happ one seems VERY pricy, yet the Ultimarc one is rather cheap.  Can someone fill this gap in for me please?

PS: Im sure something like this must have been posted, so if it was, can you give a link.

RayB:
Happ trackballs are designed for "industrial" uses such as a game machine in a bar or arcade, getting beat on and abused on a daily basis by people who cuold care less about the machine cuz it's not theirs.

Ultimarc's tb is made for the hobbyists. It has plastic rollers and probably wouldn't withstand the abuses of daily public use, but for home use it's more than adequate.

~Ray B.

cholin:
So that's the only real difference?  That seems more than OK to me to just go with the Ultimarc one then.  Does anyone use the Ultimarc products?  This is what I plan on ordering, is it any good?

2x T-Stik Plus (1x RED, 1x BLUE)
18x Pushbutton (6x RED, 6x BLUE, 1x PLAYERONE, 1x PLAYERTWO, 2x BLACK, 2x YELLOW)
1x iPac2 Interface (PS/2 CABLE)

Does anyone have any experience with these products?  Also, about the Trackball, should I get the Opti-Pac cable?  Also, is there a way to use the trackball without having to connect an Opti-Pac?

crashwg:
You can connect the trackball with a mouse hack but if I were you I would just order the Mini-Pac with the harness for both digital and optical inputs...

www.ultimarc.com/minipac.html

Matt Berry:
The guts are the difference. The Ultimarc can't be rebuilt if needed, the rollers and encoder are a single piece and don't come apart very easily, it also makes it impossible to replace the second bearing on the roller (the one on the side of the encoder wheel). Happ trackball has 3 steel rollers the ultimarc has 2 - covered with plastic, it also seems slightly louder then the happ. Buttons are fine they are just a little shorter then the ones provided by happ. I pac is a good choice, I have 2 of them and really enjoy them.

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