Samsung Galaxy S3 — what ron to choose and where do I find the most up to date version?

Hi guys I have a rooted galaxy s3 that has been rooted for a while and other than a siyah kernel its stock.. im looking to change the rom but I need to know which work well with the siyah kernel.. im chanhing the rom to try and get better vattery life cause it sucks! Which are the best? Loosing some bloatware would be ok to