A new online database called AutismKB offers a quick way to find the evidence linking genes to autism.
You can read up on it in a paper describing the project.
You can browse by chromosome or gene name, it includes data on all kinds of genetic variants from SNPs to CNVs and it gives each variant a score according to the strength of the evidence. I haven't had a chance to really tell how useful these scores are, but there's an option to create your own score based on how much weight you give different kinds of evidence. The dataset is huge although it doesn't seem to have been updated for a few months.
Overall, it's a new tool and there's sure to be bugs to iron out, but it seems like it could be very useful. I do worry though that this kind of database encourages misleading ways of ...