Warhammer 40,000 – Snipers on paper seem like a great investment. Being able to pick out characters and cause mortal wounds should be amazing. In practice it's pretty hit or miss. I run Space Marine Scouts often and on a good day they roll a ton of 6's and cause my opponent a ton of grief. But most times they do a wound or two and then draw fire until they disappear.
Astra Militarum has access to ratling snipers, which are some of the ugliest models in the range. My client uses a large variety of third party minis for his force and found these snipers to fill in for the fugly ratling models. I'm glad he did because these were a joy to paint.
He also added some heavy flamers to make the best use of the Catachan abilites as well as a priest for a little extra oomph. The troopers are Basic Paint level with the priest being mid level tabletop.