Nottingham tonearms compared to other brands?


Has anyone compared other tonearms on the Nottingham decks? I have heard the Nottingham arms are very good compare to some of the other brands out there. Price wise what is available? Any recommendations?
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Has anyone had experience comparing the Ace Space 12" silver wire against Incognito or Cardas copper? TIA.
I have a Nottingham Ana-log and have it set up with 2 arms. The 12" Nottingham arm and a SME 312S. IMO, the question of which arm to use is dependant on the cartridge and type of sound you want.

I like using my Koetsu Onyx with the SME arm and the Lyra Helikon mono with the Nottingham arm. It's all a matter of synergy. Essentially, I feel the Nottingham is a slightly dark and liquid table. Adding a warm sounding cartridge to it like a Koetsu with the Nottingham arm is almost too much on the warm and liquid side. The more detailed and neutral SME arm balances things out a bit. Likewise, I find the Lyra Helikon incredibly detailed and neutral. The Nottinham arm seems to add some needed warmth and liquidity.

My $.02.
I decided to go with Incognito because I've been happy with it for years in my RB250. I received it back today and I am very happy with my choice. The 294 does a great job as the reviews have said, and I am astonished at how good it makes notoriously poor pressings sound... I listened to an RCA Red Seal Dynaflex of Liszt's Greatest Hits and I was captivated!
Very musical, no hint of hifi, full weight and lifelike ease.
Thanks to all who have helped me take this great step!