Best cartridge match for SME 309 tonearm???

Proud new owner of a SME 10 turntable with a SME 309 arm.
After any help and experiences with cartridge matches.
I am after a warm / neutral sound.
Hoping someone can offer some suggestions as the whole arm/mass/compliance thing is beyond me.
The Benz Micro line go with SME arms like peanut butter and jelly, Fred and Ginger, The Three Stooges, etc. They have good synergy together.
I bought my new SME 10/A with a Sumiko Celebration new in 2003. Great combination. The cartridge has great bass and is just slightly warm of neutral, IMO. I have since upgraded to an SME V arm and AirTight PC-1 cartridge.

I also found that replacing the stock cable helps. I first tried a Harmonic Technology Copper Phono cable and now have the Hovland MG2. Also, given that the SME 10 is unsuspended, a used Townshend Seismic Sink will do wonders for isolation.

Congratulations. IMO, the SME 10 is one of the great values in turntables today. It's a very good table/arm combination and the Sumiko cartridge was developed and voiced on an SME 30/V arm combination, so it is an excellent match. There are a few reviews on the net.
Thanks guys,
I had briefly put a Benz Micro Gold on it just to run it in and it mated perfectly.
Considering a Benz Micro range but which one (without spending drug-money prices)?
I am using a Lyra Delos on my sme309 and an Ortofon Kontrapunkt B on my Sme 345. Both give me excellent results, warm, detailed and without high end fizz. I have also used a Benz Micro Glider with similar results. The 309 is a very nice arm that mates well with most MC cartridges.
Put on my Ortofon Cadenza Blue sounds fantastic!
If you like the Dynavector sound, go for a Dynavector XX-2 MKII MC cart.

The Lyra Delos is also an excellent MC cart.