A plunge router can be very useful for aspiring furniture makers, for example. You will need access to an electrical outlet, but mains-powered tools have a very stable power subbly.
From Amazon
Bosch Professional GKF 600 palm router (including open-ended spanner, parallel guide, pilot, 6+8 mm collets, in carrying case)
Conrad Electronic
Bosch Professional Palm router 060160A100 GKF 600 incl. stopper, incl. case 600 W