Yep. Sold my 'beloved' t3 and bought a t4, had it less than a year before I bought another t3.
Nice to drive etc but couldn't get on with it as a camper
Never driven a T4 but I would never be tempted to own one because of the styling - a product of VW's worst-ever generation of design when they nearly lost their way (the Mk 3 Golf and the whole range suffered too). I don't think I could summon any enthusiasm for one at all, just so boring.
Current VW: 1986 Devon Moonraker, pop-top, 1.9 DG, 5-Speed
A mate of mine has just this week bought a 2.5TDi LWB Syncro, which he tells me are a bit rare,
It is in having a camping interior fitted at present. He intends to "Pop Top" it latter this year.