NEW to Prusa machine, Looking for suitable heatbed

I am new to this topic and have just start planning and building a Prusa 3d printer.

Any HELP, TIPS etc. would be a great help, i am a 2d3d Graphics/ animation. 3D models person, background in CNC and mechanical engineering. Wish to turn my computeer based models into 3d objects. NO Electronics skills

UK Based, but buying parts from around the world.

1. Looking for a suit preassembled heat bed for the Prusa

2. Is there any reason why i cannot redesign and build my purse machine taller, i.e. give ring my a great Z axis

Thanks
Paul2d3d

There appears to already be a site showing a taller prusa : [koti.kapsi.fi]
So, yeah... would take some modifications, but it surely can be done!