I transferred my site to justhost about 8 months ago. I paid for the 4 year hosting plan. Personally I have never experienced any issues.
Although the only fault I have with them is the way they have awstats set up. You can't configure it to resolve IPs, 'Update Now' isn't available etc - as they overwrite the config file every day and there's no way around this.
Also, if people do want to purchase hosting from justhost you can use 50OFF as the coupon code.