I normally suggest that when someone is looking for a goose call that they go to an outdoor show where they can try several ones at different booths. The other reason for this is that there is usually a staffer there for the call company that can help you put the air thru the call the right way and can work with you. Not sure when the next show will be near you though.
I would strongly suggest that you go with a short reed call vs. a flute call. The reason for this is that, even though the flute call is easier to learn and takes little to no back pressure to run, it is harder to make the transition from a flute to a short reed when you decide to go that route.
Also there is no reason to run right out and drop 150-175 bones on a high end acrylic call until you get the mechanics of blowing a call the proper way. Here are a couple of suggestions on a good poly call to get you headed in the right direction. The first one is a Foiles Meat Grinder. This call will cost you around $50 or $60 and is great call to learn with and blows real easy and does not take a lot of air to run. Another good poly call is the Buck Gardner Canada Hammer II. Again this call sounds great for very little money. I think they cost around $30. Also a Zink PC-1 in poly for an easy blowing call.
That is step 1. Step 2 would be to get yourself an instructional CD. I would strongly suggest Scott Threinen's CD Bad Grammar ---->
http://www.moltgear.com/badgrammarcd.html . This is probably the best instructional goose calling information out there.
The only other info I can offer is to practice your nards off. Blow that sucker every chance you get and don't try to do too much at once. Learn the basic honks and clucks and get to the point where you have them down pat before moving on other cadences.
Good luck and have fun with it.