like wrath said not worth even close to 300.
That board may not even be wide enough for you. There aren't many boards that wide, Nitro magnum is the only one i can think of that is affordable.
You might be able to get a custom board built, Prospect Snowboards MFG Hand Crafted Custom Snowboards and wakeboards in the USA - Madison Wisconsin
Dude, suckin at somethin' is just the first step to bein' sorta good at somethin'