I don't know if this is relivent to you or not, but I seem to remember a project that I believe is still in the works, I forget whom is developing it, but it was a one-stop payment processor, so people would deposit money from items like Stripe, Bitcoin, Litecoin, etc. and it'd become all one currency that people can pay with. There was no PayPal option I believe, it might be worth it for you, I'll see if I can actually find where I saw this again.
As for not accepting PayPal anymore, I think it's a good idea - honestly, despite what people say - Bitcoin is a good form of payment, because suppose someone decides to pay using Bitcoin and abuse your services - well, they can't "dispute" the BTC sent, so you still keep the money. So really, you're not losing out - they are.