$1000 amp for Rega Planar 3 + Silverline Minuets

I'm looking to replace my Marantz 2238B receiver, which is starting to seem like the limiting piece in my system. I've got a budget of ~$1000 and was looking at the Rega Brio, but wanted to get some other suggestions. I will probably upgrade the Minuets in the next few years as well, so I'd like something that could hang with the next level of speakers. Appreciate any input, thanks!
Rega Intergrated 
Aren't all the Rega amps integrated? What am I missing?
A new Jolida can be found for close to that price…or get a used one.