In my opinion both companies make good stuff, I personally just prefer to throw STORM. In the past I have good and bad experiences with both, the bad( Danger Zone HPH, DZ2, Inferno) for STORM (TRAUMA Series, FEAR FACTOR, TOXIC STORM), but then there is the good (Monster Smasher-R, Monster Slayer) and for STORM(I currently own all and like the X-FACTOR line, including the Re-Charge).
So it's just a matter of opinion and the correct drilling I believe.
Also, For all the people bashing STORM for making "too many" X-FACTOR's(Only 8 including the VERTIGO), how many ZONE'S does BRUNSWICK make or have made? On the bowlingballreviews.con web site it currently lists 67 DISCONTINUED ZONES!
That's not even including the current ZONES! I didn't even count up how many OVERSEAS releases they have. On that same list STORM has 3 OVERSEAS releases and only 2 discontinued (Deuce and Re-Loaded, part of the original 8 listed above).
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Pat Patterson