If it is only external, heat to 230-240 C and use a brass brush to clean it off.
If it has also clogged inside, heat to 230-240 C and run PETG through to push it out. PETG has a higher melting point than PLA.
If even that doesn’t work, hubby said something about doing a hard pull, but not sure exactly how he does that, so I’ll leave it up to others to explain.
Depends which one you are looking at, what your needs are (advanced filaments, print sizes etc) - and, importantly, prices where you are.
We went for Prusa and are super pleased with the XL. Assembly was time-consuming, but clearly explained and they even included milestone prizes in the package. 🙂