Frankensteins or Audio Note Kit 300b

Matt,
I believe you can't go wrong with either. The AN Kit 300b has earned a strong reputation(even more so when certain upgraded caps/transformers are chosen).There are very satisfied owners on this site for certain.

I've owned the Frankenstein Mark II for 6 years and I'm simply thrilled with it and have zero interest in replacing it. I truly feel you'll be happy with either of these SET amplifiers.If you can afford to do so, I'd get the upgrade output transformer and coupling capacitors for the Audio Note. The better parts really do matter.
Charles,

Get the Franks. Make sure you get the latest versions. They will hold their value and will resell easily.

What kind of speakers? That may influence the amp choice.