Usually people back up statements with facts if they are going to slam. It is a Storm forum, so why the negativity towards there product? If you are not a Storm fan, thats why there are forums for all of the manufacturers out there.
Zone, I think just a little more info is needed on what you are setting up this arsenal for. If you just bowl on a couple of house shot leagues, then I wouldn't recommend more than 3 and a spare. Anymore for house shots are just going to cause mass confusion. Now if you are setting up a true blue tourney shot arsenal, I think you will find what Greenfam wrote to be the very best way to do it.
I can give one piece of advice, the Street Rod solid is a great place to start. Very smooth, arcy piece. It is low diff, so drill it on the more flaring side of your sweet spot which should be close to 4-4.5". The diff is lower on this ball, so a shorter pin-to-pap will create a bit more flare and might even put this close to a great benchmark reaction to build around.
Tell us more about your arsenal plans and we can throw more feelings out about what a good tournament arsenal should consist of.
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Mike Craig-Columbus, OH