First order from Semillas.de took about 10 days, no problem since it's coming from far away. Second order I placed there on the 13th of January, I never received a confirmation email that payment was accepted and the order was shipped like I did with the first order. After a couple weeks, I started to wonder if the order was ever shipped and if they had maybe missed it. I sent an email to confirm that the order was shipped, no reply. I sent another one about a week later, this time he replied and said it was shipped on the 17th and that 1-2 weeks is possible. It's now the 15th and I haven't received anything. I sent him an email 5 days ago telling him I haven't received anything, still no reply. I'm going to give it a couple more days and then file a claim with paypal to try to get my money back. Only have 45 days from payment to file a claim and that's coming up fairly soon. It's a shame because they have such a good selection, including some varieties I haven't seen anywhere else.
So, from my experience...I've had very good results with Tradewindsfruit, The Hippy Seed Company, Peppermania, and Pepperlover. One good result with Semillas.de and one negative result (as of now).