So I've spent the last few days researching/ ordering parts and everything I 'need' is now ordered however I'm very tempted to get a few more bits
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Turbo wise I spoke to Dan at beach buggy turbos who is very helpful (although a tad slow to respond), and a hybrid K03 from him is £1000 and supposedly is capable of 350bhp with the right hardware. It has a K04 turbine, upgraded actuator and bearings and other complex things I don't understand but apparently its good.
However I ordered my LOBA pump directly from LOBA and it turns out they make a hybrid K03 turbo as well, same thing basically as the Beach Buggy unit and they said it can run 320-330bhp without a problem and is capable of more but that's their recommended operating window. Their unit is normally around the £1200 mark but since I ordered the pump as well we struck a deal and they're making my turbo as we speak
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The main reason for choosing the LOBA unit is because Dan at Beach Buggy said he's waiting on parts and gave the impression it would be quite a while before he could sort me one out. LOBA however can have it done in 7 days so within 2 weeks or so my pump and turbo will arrive from Germany.
Both items are sold as a whole unit so NOT on an exchange basis and they do not take and rebuild yours you get a whole other unit.
Intercooler and boost gauge have arrived so there's a few bits to do while they wait. Downpipe is also on the way.