Back when binding rituals had a like 3-second casting time, the animations made more sense -- they were kind of like exotic interpretive dance as you communed with the spirit realm. But having such long casting time sucked and I don't think any of us want to go back to those dark times (hence the explosion in popularity of rits since then). But unfortunately they didn't fix the cast animations when they reduced cast times and now, yeah, they're rather spastic.
But I think choosing your primary profession based on casting animations is a bit short-sighted. Don't get me wrong, there are a lot of things that go into character creation -- appearance has a lot to do with it -- and you should be happy with your choice. And Olle is right in saying that most other professions currently have no problem running a spirit spam build. In fact, my ranger currently runs around with spirits instead of a bow because I like the R/rt energy management and extra armor. That said, I also have a primary rit.
However, there are drawbacks to doing that: Mainly runes. You cannot equip profession-specific runes for your secondary profession. So you will be limited to 12 natural points in any of your secondary attributes (where a rit primary could get up to 16). This will make your spirits weaker and limit the spread of your points. You also will have little benefit from Spawning Power skills, since you won't be able to spec into it.
Lastly, you will always be vulnerable to any game updates that limit/nerf the use of certain skills by non-primary professions. We've seen a lot of PvE skill updates lately that make it harder for other professions to exploit certain overpowered secondary skills. Since Signet of Spirits is already under an amount of scrutiny by the community as being too overpowered (though I honestly can't understand why, it's not a "wow! numbers!" insta-win skill), it could get hit by this at any time.
By all means, play around. Just bear the above in mind when making your decision. You may decide to play it safe and just go ahead with a ritualist -- the character animations will probably start to fade from your notice after a while. Or you may make another character to run spirit spam on and discover other builds for them that you like even better. The beauty of Guild Wars is that it's easy and fun to experiment.
Welcome to the game.
