if you are flat hitter... don't bother with this racquet.
Everything (well almost...) will go long... There will no noticeable difference in spin.
I hit everything with top spin, and this racquet is amazing... except for the string durability bit and ugly PJ.
Pacific X Force Modified (333g/5HL/333SW) + Volkl Cyclone 18/Yonex Poly Tour Pro 125