ultimate tools advice

[David Wang <dwang@xxxxxxxxxxxxxxxxxxxxxx>]

Hello,

I want to purchase a pneumatic hammer, just don't know
which one.  I've checked out the Cuturi pneumatic
hammers and chisels on the [URL now obsolete] web
site.  They are roughly half the cost of the similar
Trow & Holden brand.  Is there a difference in quality
and durability?  Or is it due to the USA and Italian
manufacturing and workmanship???

Secondly, I work on soapstone sculptures that are
approximately 1' square in total volume (table top
abstract pieces).  They consist of large intersecting
curved surfaces (no intricate detailing).  I need a
recommendation on what size hammer would be most
suitable for roughing out purposes (1/2" or 3/4" piston,
shortstroke?).

Lastly, I use a 3/4" claw, and 3/4" flat chisel along
with a pointer currently.  Does it make sense to
purchase the equivalent carbide tools specifically made
for these hammers?  Or should I be using larger ones
first in the pneumatic hammer and then refine the work
by 'hand' using my smaller tools?  I also plan to try a
sculpture in marble and granite eventually of roughly
the same scale.

Thank-you to anyone who can offer any information and
advice to this exhausting email,

David Wang