hi all
Is obelsik website trusted to pre order sia asic miner from them?

I Googled and found a couple of links. This might be helpful.
Sia's team is working with US semiconductor company Obelisk to design ASIC chips to create the first 28-nanometer chip specialized in silicon mining. In this pre-sale, each team will be priced at $ 2,499 in bitcoins. Obelisk pre-sale, which will begin next Wednesday, June 29 and will be extended exclusively for 7 days.
https://coins.newbium.com/post/8730-sia-announces-pre-sale-of-its-specialized-miner-obThe expected hashrate of the Obelisk is 100 GH/s, which means that with a block reward of 20M SC/DAY the monthly revenue will be of 60,000 SC. The revenue will be higher in the beginning and is expected to get to 60,000 SC/month when 10,000 Obelisks will be sold. This is expected to happen by June 2018.
http://www.bitcoininsider.org/category/obelisk-sc1https://obelisk.tech/preorder/Sia Tech is working with Obelisk and according to them it is a trustworthy company with a 20-year track record in ASIC design.
There is also a discussion regarding this on Reddit about shipment and delivery,
https://www.reddit.com/r/siacoin/comments/6k3gnj/obelisk_presale_is_live/