Will this do?
I have no idea what a 19ft Larson is or looks like but anything other than an inboard whether this be a weighted tournament ski boat or a dedicated wakeboard boat will throw out an optimum wake for wakeboarding.
However, as a relative novice almost any wake will do and get you into the groove. Try things for a season and see how hooked you get then decide if you wanna upgrade. View this site (and wakeboarder.com) regularly and you'll soon get the hang of things. There's shed loads of advice available - you just need to know which bits to take with a pinbch of salt!
I used to own a 16ft Fletcher V hull with 115 hp outboard that I boarded behind quite happily for a season or two. The main problem is the lack of a swim platform and the difficulty this presents getting your board on and onto the water. I now have a tournament ski boat (with sacs etc) but if I went back to boating in the sea I would change it for an I/O without hesitation.
The boat has to match the conditions/environment in which you plan to use it. Trying to launch a heavy, immaculate £50k inboard ski boat down a steep rocky slipway into salt water makes absolutely no sense to me! For that I'd have a 5-7 year old I/O that had already suffered lost most of it's depreciation and had deteriorated enough for me to not care about the additional nick, graze and spot of corrosion that is inevitable with coastal use.
A tower or even a pylon will help keep you in the air once up but won't dramatically affect you ability to get airborne. I wouldn't put these on anything other than a boat already throwing a decent wake. I'd save my money and add to a more appropriate rig later on (if it didn't already have).
Pylons are as effective as towers they just flex a bit more and, in an open bow boat, you have the problem of the cable affecting the headroom in the front seats. A tower is clearly best but is a lot more expensive. Don't get fooled by the argument that a tower isn't much more expensive than a pylon. Sure, when new there's not much difference in price but you see quite a few used pylons for £150-£200 but the chances of finding a used tower (that will fit your boat) are slim. So, the choice is used pylon for @£150 or new tower for @£1k.
Hope this helps.
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Jeff
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