There's nothing you can see besides the NMC going into your wallet from time to time.
And if you don't feel like syncing your NMC wallet constantly, you can check your address in the NMC block explorer:
http://explorer.dot-bit.org/Thanks baddw. That's interesting, I didn't know about the block explorer. I did find a transaction under my NMC address, so I guess it's working. I'll be on the lookout for more transactions.