I have used BFD for a long time.  I have not upgraded to BFD3 yet and stand at a crossroads.  MY music has typically been guitar driven with natural acoustic sounds but I am getting tired of it.  I find my sound dated and want to get with the times.  Based on this is BFD3 upgrade my best path forward or is there a different drum package that would give me greater flexibility for more modern sound?  Such deeper bass drums, more synthetic sounds, etc.

BFD 3 is AWSOME!  Sounds are incredible.  The presets are incredible.

That being said..if you want something quick, down and dirty, get the X3 Pro upgrade
that comes with Addictive Drums.  They are quite good and sit in a small footprint and
sound very nice.  There are lot's of ADPaks and MIDI as well.

If I had to choose ONE....BFD 3 HANDS DOWN.  I haven't heard anything better (yet)
And I have them all.

Since you already know BFD well, why not stick with it and just expand its sonic palette? I'm not a BFD user myself, but I understand it has gobs of expansion packs, which I'm sure include some electronic kits.
 
Another route would be to use other synths to augment your acoustic drum sounds. A well-rounded synth such as U-He's Zebra or Synthmaster can not only provide synthetic drum sounds to layer or replace BFD instruments, but also give you lots of other sonic possibilities. Maybe an arpeggiated, chopped-up supersaw to make you feel "modern". (BTW, rumor has it that some guitar-slinging troglodytes are indeed making modern music to this day!)

As far as acoustic drum sounds go BFD3 has really raised the bar. I preferred Superior Drummer to BFD 2 by a nose but BFD3 is something else.
 
How much tweaking do you do to your BFD sounds? EQ, Compression and distortion effects can be quite effective if you want to drastically change the character of the sound.
 
If you are looking for synthetic drum sounds NI's Battery 4 is one for your shortlist, it's not so great for acoustic kits (but there are some), it's the electronic percussion where it excels.
 
Others for the shortlist are FXPansion's Tremor and Arturia's Spark
 
 

I use Battery and Guru for non-acoustic stuff. There's Geist, Punch and Microtonic available too. Tremor, Drumazon and Spark as well. A lot of people layer drums or buy single hit packs or use Vengeance samples.

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Quadruple posting. Great software.

strikinglyhandsome1
I use Battery and Guru for non-acoustic stuff. There's Geist, Punch and Microtonic available too. Tremor, Drumazon and Spark as well. A lot of people layer drums or buy single hit packs or use Vengeance samples.

I do not have BFD, but picked up Geist during the holiday season primarily to deal with step sequencer issues I have been having. Another side reason was the sampling/slicing capabilities, since my "issue" with AD is not being able to export sounds to another source or import sounds into the AD kit. I just came to the realization that I don't need hundreds of kits made by others... I need MY personal kit (with options), and the easiest way to play it effectively.