I have a modest Dash holding from when Dash was a lot cheaper than it is now with the current price spike. I hold other coins too. What I'd like to ask is this -
Is Dash immune from blockchain bloat and, if it isn't, whether this will be an issue at some point in the future?
Dash has been founded in 2014, is three years old and currently has 2.6 GB blockchain size
Blockchain bloat is not and will not be a problem for Dash.
The Masternode network will continue to carry the full blockchain and getting rewarded for it, while the Dash Evolution update (end 2017) will enable Lightweight wallets / SPV wallets for endusers / merchants.