I just ordered from them, like it (though I'm totally new to DIY). I bought 2 oz each of the Commercial, English, Menthol, and Vanilla Top Note, for $27.50 shipped. (these are the pre-diluted 2 oz.)
You can actually get the concentrate in small size, 1/2 oz IIRC. I bought the 2 oz diluted since I'm lazy, only cost like a buck more to get it that way.
I tried the Vanilla with plain VG, at 4:1 (VG to Seedmans). Pretty nice, though I think I'll bump it to 25% in a mix with nicotine.
I tried a bit of the Commercial last night, tastes good by itself (mixed with VG and 100mg PG nic, about 10% Commercial, 20 mg final nic concentration). Added some to a friend's DIY to bump it up a notch in flavor, again good results.
Looking forward to trying the English and Menthol today -- just waiting for some plain PG base (hopefully in the mail).
(Happy so send you some of them to try.)