I have 2 Cells and 1 S-75, but all have different layouts.  My first Cell is drilled 4 x 3-1/2", pin next to ring, hit the with surface a green Scotchbrite pad (600 grit).  My S-75 is drilled pin under ring, about 4-1/2" from PAP with the MB about 4" from PAP, surface at 1000 Abralon.  I used both on the Shark in my PBA Experience league last week.  I realize it isn't a fair comparison because of the different layouts and surfaces, but on the fresh pattern, the Cell gave me a great look playing straight up 10.  Once the Cell began to read too early, I switched to the S-75 and was able to continue playing straight up 10.  In my opinion, both are good oilers, with the appropriate drilling and surface change.

I bought my S-75 from tekneek here on BR.com, and he told me the coverstock is pearl, solid, and has Mica particles, as well as the Soaker additive.  Hope this helps.
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