That depends on the type of welding you want to do.
For MIG welding, the Hobart Handler 140 is a good option.
The Eastwood TIG 200 is a decent welder for beginners who want to do TIG welding.
If you want to do stick welding, you might want to try the Hobart Stickmate 160i.
Those who want to do various types of welding can invest in the YesWelder MIG-205 DS or the Weldpro MIG155Gsv.