Help me decide on phono preamp


I have enjoyed my current setup but have decided to try a seperate phono preamp to see what improvements in sq can be had. I have two options I can purchase locally in mind based on my current budget :

Musical Surroundings Nova Phonomena ($400 used)

Lehmann Black Cube SE ll ($600 used)

My current setup is a Music Hall MMF 9.1 TT with a Clearaudio Maestro V2 cartridge playing through the built in MM/MC phono preamp in my Marantz PM - 11S3 integrated amp. 

Any opinions on either of these options?  The built in preamp has excellent reviews. Will either of these alternatives make a material difference or do I need to significantly increase my budget to have a real inpact?

Thanks
sjtm
According to reviews the phono stage in the Marantz is very nice. It's hard to to say whether you could improve on it at your budget. What you will probably get with a separate phono stage is more options for loading and gain settings.

The Nova phonomena is a very good phono stage. I have two of them. They're very quiet and have a lot of different loading options and gain settings.

Having said that, I recently picked up a Parks Puffin and like it more than the Nova phonomena. They're $400 new.  Very quiet, great soundstage, and tons of adjustments are available. I don't think you'd have much trouble getting most of your money back if you don't like it.
I think I am hearing what I feared / anticipated.  Not sure where I draw the line in terms of a budget.  I know there are several popular choices at or above $2,500.  I am not ready to make this leap.  Is there anything new or used in the $1,000- $1,500 (max) that would be a contender?
It might be an idea to first quantify exactly what you feel your current setup is missing and hence what you want from a new phono stage.
I have the Schiit Audio Mani phono stage. It is quite good, with excellent detail, separation of instruments, bass, dynamics, and soundstage. I stepped up from an economical Behringer PP400 phono preamp which I consider to be equivalent to what manufacturers put in their amps and the difference is night to day.

https://www.schiit.com/products/mani

http://www.theabsolutesound.com/articles/schiit-audio-mani-phonostage/

https://www.youtube.com/watch?v=R4PvNVBUQGY

https://www.youtube.com/watch?v=TaARB28ZHkw