I would vote for the Arcam FMJ at this price point, but CD sound is highly a matter of personal preference. I have not heard the 508.24, but have heard the G08 (its replacement) and was not impressed. It seemed lifeless to me - not involving.
As to the next level, I love my Ikemi, which can be had for around $1900 used and sold at no loss later down the road. Beyond that an Esoteric DV50 (a universal player) can be had for around 3k. I prefer the Ikemi for redbook to the DV50, but the DV50 is significantly more detailed and certainly not everyone shares my view. But on SACD playback the DV50 is wonderful. Also, the thing seems as though it was designed for a war zone, like it was going to have to endure gunfire or shrapnel. The build quality is great.
As to the next level, I love my Ikemi, which can be had for around $1900 used and sold at no loss later down the road. Beyond that an Esoteric DV50 (a universal player) can be had for around 3k. I prefer the Ikemi for redbook to the DV50, but the DV50 is significantly more detailed and certainly not everyone shares my view. But on SACD playback the DV50 is wonderful. Also, the thing seems as though it was designed for a war zone, like it was going to have to endure gunfire or shrapnel. The build quality is great.