Several years ago when i just just getting into this seriously, I faced the same problem. I bought the bullet and bought a Turbo 35 and never regreted it. i have since sold it and bought 2 GFX's.
This is the last charger you will ever need. They hold their resale value if you ever decide to sell it. Since this is the same technology used by 99.99% of the matchers out there, there is NO better way to charge and maintain your expensive battery packs!