I have choosen the WH 300 Extra midwing and very pleased, bang for buck you get the MOST than any of the other selections. I was also looking at the Dietrich models extra as it is very nice looking.

Good luck, but i also agree with Andy, the 35% Cap will do fine in the basic and sportsman class until you feel you are mastering the basics:
-drawing a 45 deg line
-rolls centered
-level entries and exits
-geometry
-aerobatic turns
-point and slow rolls

Have fun

Chuck Hochhalter