first part of my question. I was wondering what u guys thought about making an entire set od Shaker stile kitchen cabinets out of pine, door and drawer front panels out of pine veneer MDF. second part is what type of hardwood would be the best to use to mimic the pine taking into consideration shaper knives etc What would you choose we want a light finish as close to pine as possible

Sorry but I don’t understand your questions, you say you wand to build a shaker set of cabinets out of pine. All good up to here. Then you say you want to use mdf with pine veneer for doors and drawers? You would use solid pine for your stiles and rails and your flat panels could be mdf with pine veneer. That is fine as well if that is what you mean.
Lastly you say you want a hardwood to mimic pine? So do you want a pine set of cabinets or a hardwood that is similar to pine in grain and color?

thank you Jeff as far as the shaker panel goes that is what I meant didnt mean to confuse anyone. As far as species I just want some professional advise as to which one you would use I am open to any and all suggestions. Structurally, etc. As far as the shaper knives go I was wondering how they would stand up against Ash or any other hardwood that I choose that will mimic pine somewhat

I am not sure what you intend to use for shaper cutters, there are different grades of cutters for sure. I use a lot of FS tool cutters and they cut hardwood no problem.
There are lots of different hardwoods that are light color, soft white maple, maple, some birch, some poplar,

thank u Jeff. Probably will stay with Maple. Pine is probably going to gum up knives and blades quite a lot since this is a large kitchen

Chich,
If you want wood that looks like Pine, then use Pine. If you want the look of Maple use Maple. If economics is a driving force, I get that but if not and you like Pine use Pine. Don't worry about the tooling gumming up with pitch, It's not that bad and it cleans off easily with solvents like paint thinner or lacquer thinner. I like using Knotty Pine for cabinets. I like the rustic look. I used to use clear Pondarosa Pine for shaker cabinets until they stopped harvesting trees that could yield clear lumber. Very hard if not impossible to find but knotty Pondarosa Pine is available in a cabinet grade of lumber at 6 - 8% MC. It's also more that strong enough to build cabinets from.

Let me ask you a question, what is the difference between a hardwood and a softwood(ergo...pine)?

In basic terms, hardwoods are trees that grow new broad leaf leaves every spring and loose them in the fall. Softwoods are trees that have needle shaped leaves and generally stay green all year long (evergreens). These evergreen trees generally have softer and less dense wood than hardwood trees. One exception to this is southern Yellow Pine which is very dense for a Pine and extremely heavy. Also, hardwoods tend to be considered to have higher working strength than soft wood with the exception of Yellow Pine which is very close to the same bending strength of White Oak. Softwoods are not all pine species, their is also Spruce, Fir, Cedar, Redwood and probably others I have missed.

Have you made a decision for wood species in your kitchen?

easy answer KCR their is a woman involved. I think thatis as short of an answer I can give at this point.. Will keep you posted and thank you

Easiest answer is to just use whatever wood they want, make sure MC is appropriate for the environment and the pitch is set properly. The finish schedule is going to be the biggest issue; on pitch heavy woods like pine(softwood); and cypress(hardwood) etc...