We currently run a website called docmode.com on java, running on Amazon servers with multiple DB and server instances along with Load Balancer.
We have taken a call to shift to WP/BP as the dev community for plugins etc. bug-fixing is large and . We have 28000 and growing userbase. plus we sometimes have to handle a surge of many registrations and logins at one particular time say 2000 active/hour with traffic spikes. What service of server/hosting/ database do you suggest? Are there any professional services out there? As we are a startup - cloud is helpful in costing? VPN like linode are not reliable sometimes? and would dedicated be expensive?, the idea is to handle traffic of registrations of users and user activities without slowing the site? kindly help