Producer/Rapper/Singer Need HELP Studio im 17?

Alright PPL Well Im A Beginner PRODUCER Im Trying To Make My Own "BEATS" You Know And I LOVE The BEAUTIFUL Sound Of Synthesizer I Know Most PRODUCERS Use Synthesizers And I Was Wondering Whitch Synthesizer Should I Buy And Is The Best To MAKE Beautiful "BEATS" "MM6Yamaha" Or Roland "V-Synth GT Version 2.0" Or "Roland Fantom-G7" Or "Roland GW-8 Version 2" Or Roland Fantom-G6 Or Roland Fantom-G8 Can Any Producer Please Tell Me And Can I Connect Them To "Software CUBASE 5" I Really Wanna Make "BEATS" I LOVE Music Its My DREAM To Be PRODUCER Thank YALL HitMeUp!!! Peace