Reg fee for me and here's why. The online poker industry is dead in the water. Startups that cater solely for online poker are few and far between. PokerStars effectively have a monopoly on the market now.
I wouldn't buy the .com of this. I see it's developed but it's an affiliate portal. Your average poker affiliate barely eeks out a living, with the exception of a few major rakeback providers. So I don't see any affiliate coming knocking to buy this name. If they do they won't be willing to pay much.
Any new companies that do startup in this space offer a full range of betting services. Your best bet of making a sale with a poker related domain is via an app for play money, or for a live card club imho.
I don't touch poker domains and I know this industry inside out. You've invested into a niche that has been in dramatic decline for years, not only that you have limited your target audience to one country effectively (okay Belgium and Austria sort of count too).
Have a look on Namebio, take a look at all the sales over the past year, sure there's a few nice ones but none of them are developed commercial sites. End user demand is highly limited in this space at this time. There's scope for growth in the US.