Speedball guns all really do the same thing .
They're like the ladies ,they all take your cash and give you a good time .
It all comes down to what you feel comfortable to hold before you shoot .
I don't think you can go wrong with a etha or any Planet eclipse marker but others will disagree as they like others .
Buying a 2nd midrange marker might be a good option as is trying a few out before you splash the cash .
I to was a diamond wars Sunday ! HMC HMC HMC
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Afterwards I popped to the shop on sight and asked if I could hold a PE gtek and etek 5 ,the chap was most willing to let me fondle them !.
For me the etek feels nicer but think I'll end up with a gtek very soon .
I know I've been no help
,just get your mits on a few and find one you like .